OpenAI has been on the prime of the generative AI sport for the final 3 years, releasing one floor breaking mannequin after the opposite. Yesterday, they launched GPT-4.5, a mannequin with a better EQ and inventive sense for on a regular basis duties. The mannequin competes with OpenAI’s flagship and by far probably the most used mannequin – GPT-4o – which is nice at textual content technology, logical reasoning, and even coding. Whereas not launched as a direct substitute for this mannequin, GPT-4.5 is hyped to be an even bigger and extra superior mannequin, owing to its greater pricing. On this GPT-4.5 vs GPT-4o comparability, we’ll witness the efficiency of each the mannequin throughout varied duties, and discover out which one is price our buck!
What’s GPT-4.5?
GPT-4.5 is OpenAI’s newest and most superior text-based AI mannequin, designed to enhance accuracy, emotional intelligence, and creativity. Not like GPT-4o, which is optimized for multimodal duties (textual content, picture, audio), GPT-4.5 focuses on textual content processing, data accuracy, and agentic capabilities. It’s sooner, extra dependable, and higher at understanding human intent, making it ultimate for writing, coding, automation, {and professional} functions.
A few of the key options of GPT-4.5 are:
- Greater Information Accuracy: The mannequin outperforms GPT-4o in factual correctness and reliability.
- Stronger Emotional Intelligence (EQ): This LLM is best at understanding human intent, feelings, and refined cues.
- Superior Writing & Creativity: The mannequin excels in long-form writing, storytelling, and nuanced content material creation.
- Agentic AI Capabilities: GPT-4.5 mannequin is more practical in multi-step automation and coding workflows.
- Decreased Hallucination Charge: The mannequin is factually dependable with fewer errors in comparison with GPT-4o.
Study Extra: All the things You Have to Know About OpenAI’s GPT-4.5
What’s GPT-4o?
GPT-4o (“Omni”) is OpenAI’s first broadly used multimodal mannequin, able to processing textual content, pictures, and audio in real-time. It’s designed to be sooner, cheaper, and extra environment friendly than earlier fashions whereas sustaining high-quality responses. Not like GPT-4.5, which is optimized for factual accuracy and emotional intelligence, GPT-4o focuses on multimodal capabilities and real-time interactions.
A few of the key options of GPT-4o are:
- Multimodal Capabilities : This LLM can shortly course of textual content, pictures, and audio in real-time.
- Actual-Time Interactions : GPT-4o is thought for its sooner response instances, making it ultimate for stay chat and voice AI.
- Balanced Reasoning & Creativity: The mannequin makes use of a mixture of step-by-step reasoning and direct solutions.
- Optimized for Conversational AI: The LLM is designed for partaking, human-like dialogue throughout varied inputs, be it textual content, picture or audio.
- Higher for API & Builders: The mannequin helps multimodal functions, operate calling, and real-time automation.
Study Extra: What Can You Do With GPT-4o? | Demo
The best way to Entry GPT-4.5 & GPT-4o
Each the fashions can be found in ChatGPT. Therefore to entry the fashions,
- Head to www.chatgpt.com
- Log in to your account or join one.
- From the highest, on the left aspect nook, within the mannequin choice dropdown, choose the mannequin that you just want to work with.

Whereas GPT-4o can also be out there to make use of in Free TIER of ChatGPT with restricted utilization; its largely out there within the ChatGPT Plus Plan which comes for $20 per thirty days.
GPT-4.5 is presently simply out there to the Professional customers and could be out there to the Plus customers and groups from subsequent week. The Professional plan comes for $200 per thirty days.
To entry the API, comply with the next steps:
- Signal Up or Log In to OpenAI’s web site.
- As soon as logged in, go to the API Keys part in your account settings.
- Click on on “Create API Key” and duplicate the generated key.
- Retailer it securely, as OpenAI won’t present it once more after creation.
- Some utilization tiers require including billing particulars. Guarantee your account is about up for API entry.
- Implement the API key in your code to authenticate requests to OpenAI’s GPT-4.5 and GPT-4o.
Additionally Learn: I Tried GPT-4.5 API at $150/1M Tokens – Right here’s Why it’s Overpriced
GPT-4.5 vs GPT-4o: Benchmark Comparability
Let’s start our comparability by trying on the efficiency of each these fashions in normal benchmark assessments.

As seen above, GPT-4.5 performs considerably higher than GPT-4o in all of the assessments, displaying its supremacy in Math, Science, Coding and Reasoning. The brand new mannequin outperforms GPT-4o in multilingual and multimodal duties as nicely.
So is GPT-4.5 actually higher than GPT-4o? Whereas that’s what these benchmark outcomes say, let’s discover out for ourselves by testing them each on some real-life duties.
GPT-4.5 vs GPT-4o: Efficiency Comparability
On this a part of the comparability, we’ll check out just a few completely different prompts on each the fashions and evaluate their efficiency. For this, we’ll be attempting GPT-4.5 and GPT-4o for the next duties and evaluating them primarily based on the standard of their responses.
- Drafting an E-mail
- Summarizing a Report
- Creating a Advertising Marketing campaign
- Fixing a Puzzle
- Analyzing an Picture
Process 1: Drafting an E-mail
Immediate: “Draft an e mail to an worker who has been dealing with private or skilled challenges. Categorical understanding, provide assist, and encourage them to maintain going with out sounding patronizing.”
Response by GPT-4.5

Response by GPT-4o

Comparative Evaluation
Each emails are empathetic and supportive, however GPT-4.5’s model prioritizes well-being and reassurance over action-driven motivation, demonstrating greater EQ. GPT-4o’s e mail, whereas being equally supportive, leans towards motivation and resilience, which can really feel barely directive moderately than purely comforting. GPT-4.5’s e mail can also be extra concise and emotionally attuned, whereas GPT-4o’s balances motivation with sensible assist like workload changes. On the entire, I would favor GPT-4.5’s response because it encompasses the essence of the e-mail inside fewer phrases.
Rating: GPT-4.5: 1 | GPT-4o: 0
Process 2: Summarizing a Report
Immediate: “Give me a 100-word abstract of this report
Report.pdf”
Response by GPT-4.5

Response by GPT-4o

Comparative Evaluation
Each fashions have given concise summaries, throughout the phrase depend, highlighting the benefits and dangers in correct percentages. GPT-4.5 provides a extra peripheral abstract following the construction of the report, whereas GPT-4o offers extra particulars into the numbers with readability. Moreover, GPT-4o mentions the title of the report and units a context by stating what the report is about. It additionally highlights the necessary elements, making it simple to learn and perceive, even at first look. This makes GPT-4o’s response higher.
Rating: GPT-4.5: 1 | GPT-4o: 1
Process 3: Creating a Advertising Marketing campaign
Immediate: “Craft a launch marketing campaign for a brand new AI-powered productiveness app. Deal with the way it helps customers handle their time effectively and stand out in a crowded market.”
Response by GPT-4.5

Yow will discover the total response right here.
Response by GPT-4o

Yow will discover the total response right here.
Comparative Evaluation
GPT-4.5 gave extra of a advertising overview with key promoting factors and marketing campaign channels, moderately than a full-fledged marketing campaign. Whereas it talked about artistic taglines and recommended promotional provides, the motion factors weren’t very clear.
In the meantime, GPT-4o gave a extra structured and actionable marketing campaign splitting it into varied phases equivalent to pre-launch, launch, and post-launch. It even deliberate out a week-wise advertising technique, giving step-by-step directions on learn how to go about it. Therefore, for this advertising duties, I really feel GPT-4o is a more sensible choice.
Rating: GPT-4.5: 1 | GPT-4o: 2
Process 4: Fixing a Puzzle
Immediate: “You’re in a room with three mild switches exterior and three mild bulbs inside. You possibly can solely enter the room as soon as. How do you establish which swap controls which bulb?”
Response by GPT-4.5

Response by GPT-4o

Comparative Evaluation
Each the fashions had been capable of provide you with the appropriate resolution to this difficult puzzle. Whereas GPT-4.5 defined the steps in fewer factors, GPT-4o’s directions had been extra structured and simpler to comply with. GPT-4o additionally mentions that the appropriate reply might be decided utilizing ‘warmth as in indicator’ – which is a few additional data. For a less complicated and better-explained reply, my vote goes to 4o for this job.
Rating: GPT-4.5: 1 | GPT-4o: 3
Process 5: Analyzing an Picture
Immediate: “What is going on on this picture? Clarify the underlying situation for which this therapy is usually recommended. Additionally point out its potential causes.”

Response by GPT-4.5

Response by GPT-4o


Comparative Evaluation
Each the fashions appropriately recognized the method proven within the picture as hemodialysis. Whereas GPT-4.5 defined the method as prompted, GPT-4o targeted on explaining the picture, itemizing out the completely different equipment and what they do. Coming to the causes of the situation, GPT-4o gave a complete and detailed checklist, mentioning the names of ailments. Whereas, GPT-4.5’s response felt extra concise, selecting out solely what the mannequin felt related or becoming. With a extra detailed response, GPT-4o wins this spherical as nicely.
Rating: GPT-4.5: 1 | GPT-4o: 4
Remaining Rating: GPT-4.5: 1 | GPT-4o: 4
Efficiency Comparability Abstract
Process | GPT-4.5 Efficiency | GPT-4o Efficiency | Winner |
Drafting an E-mail | Greater EQ, concise, emotionally attuned | Balanced motivation and assist, however barely directive | GPT-4.5 |
Summarizing a Report | Peripheral abstract, structured however much less detailed | Extra context, higher readability, structured, mentions key particulars | GPT-4o |
Creating a Advertising Marketing campaign | Advertising overview, however lacked step-by-step readability | Full-fledged marketing campaign, structured in phases, actionable steps | GPT-4o |
Fixing a Puzzle | Appropriate resolution, concise however much less structured | Appropriate resolution, structured, mentions utilizing warmth as an indicator | GPT-4o |
Analyzing an Picture | Defined the method nicely, however much less detailed causes | Defined the picture, listed equipment, detailed causes | GPT-4o |
GPT-4.5 vs GPT-4o: API Comparability
Within the final part, we now have seen the efficiency of GPT-4.5 vs GPT-4o for varied duties on their net interface. Now let’s focus on their APIs. GPT-4o API has been in use for the final two years, proving to be value environment friendly whereas offering good efficiency.

With GPT-4.5, the enter and output token value are respectively 30 and 15 instances costlier in comparison with GPT 4o!
How a lot of an affect does this imply on our pockets? To determine that out, we’ll first immediate GPT-4o API to assist me with a job. Primarily based on the tokens consumed, we’ll estimate the value it is going to incur to make use of each the fashions, assuming they each give the identical end result (or related efficiency).
Immediate: “A make-up firm is shedding its clients to its opponents because of lack of product selection. They don’t have the assets but to scale up and add extra merchandise, plan a method for them utilizing which they’ll leverage their current merchandise to retain their clients.”
Enter Code:
from openai import OpenAI
import time
import tiktoken
from IPython.show import show, Markdown
with open("path_to_api_key") as file:
api_key = file.learn().strip()
task1_start_time = time.time()
consumer = OpenAI(api_key=api_key)
messages = [
{
"role": "system",
"content": """You are an expert an useful assistant"""
},
{
"role": "user",
"content": """A makeup company is losing its customers to its competitors due to lack of product variety.
They do not have the resources yet to scale up and add more products, plan a strategy for them using which they can leverage their existing products to retain their customers.
"""
}
]
# Use a appropriate encoding (cl100k_base is the best choice for brand spanking new OpenAI fashions)
encoding = tiktoken.get_encoding("cl100k_base")
# Calculate token counts
input_tokens = sum(len(encoding.encode(msg["content"])) for msg in messages)
completion = consumer.chat.completions.create(
mannequin="gpt-4o",
messages=messages
)
output_tokens = len(encoding.encode(completion.decisions[0].message.content material))
task1_end_time = time.time()
input_cost_per_1m = 2.5 # Instance: $2.5 per 1M enter tokens
output_cost_per_1m = 10 # Instance: $10 per 1M output tokens
# Calculate value
input_cost = (input_tokens / 1000000) * input_cost_per_1m
output_cost = (output_tokens / 1000000) * output_cost_per_1m
total_cost = input_cost + output_cost
# Print outcomes
print(completion.decisions[0].message)
print("----------------=Complete Time Taken for job 1:----------------- ", task1_end_time - task1_start_time)
print(f"Enter Tokens: {input_tokens}, Output Tokens: {output_tokens}")
print(f"Estimated Price: ${total_cost:.6f}")
# Show end result
from IPython.show import Markdown
show(Markdown(completion.decisions[0].message.content material))
Output:


API Worth Evaluation
Mannequin | Enter Tokens | Output Tokens | Enter Price per Million Tokens | Output Price per Million Tokens | Complete Enter Price | Complete Output Price | Complete Cost |
GPT-4o | 60 | 581 | $2.50 | $10.00 | $0.00015 | $0.00581 | $0.00596 |
GPT-4.5 | 60 | 581 | $75.00 | $150.00 | $0.00450 | $0.08715 | $0.09165 |
This implies, GPT-4.5 is roughly 15.4 instances costlier than GPT-4o for a similar immediate! However is it price paying the value?
Additionally Learn: I Tried GPT-4.5 API at $150/1M Tokens – Right here’s Why it’s Overpriced
Is GPT-4.5 Definitely worth the Worth?
Each GPT-4.5 and GPT-4o are for on a regular basis duties like content material creation – which for many of us means – writing or proofreading our emails, or creating some sort of social media put up. We can also use these fashions for summarizing lengthy studies or pdfs or making fast flowcharts or understanding some new ideas.
For such duties, that though make our lives less complicated, it typically doesn’t justify to pay 15 instances greater than what we’re presently paying! So the conundrum rises: when to make use of GPT-4.5 and when to make use of GPT-4.0?
Process | Use GPT-4o For | Use GPT-4.5 For |
Writing & Enhancing | Emails, social media posts | Excessive-quality blogs, model copywriting |
Summarization | Fast article/PDF summaries | Detailed studies, authorized/monetary evaluation |
Buyer Assist | FAQs, chatbot responses | Customized, complicated queries |
Coding | Debugging, syntax fixes | Multi-step programming, automation |
Analysis & Information Work | Reality-checking, normal insights | Deep technical evaluation, high-stakes analysis |
Inventive Work | Advert copy, brief tales | Screenplays, novels, superior storytelling |
Enterprise & Technique | Brainstorming, easy planning | Excessive-level decision-making, danger assessments |
Thus, use GPT-4o for on a regular basis duties the place pace and value matter, and GPT-4.5 for high-accuracy, complicated, or mission-critical duties.
Even OpenAI acknowledges that GPT-4.5 is dear and never a substitute for GPT 4o. This official e mail from OpenAI additionally means that they might disable it in API to prioritise different developments.

Conclusion
This GPT-4.5 vs GPT-4o comparability highlighted the strengths and trade-offs of each the fashions. Whereas GPT-4.5 excels in data accuracy and emotional intelligence, GPT-4o stands out for cost-efficiency, and multimodal capabilities. Therefore GPT-4.5 appears to be a more sensible choice for duties the place precision and reasoning are vital – equivalent to in authorized, monetary, or high-stakes analysis. However, GPT-4o is finest fitted to duties enhancing productiveness and cost-efficient AI functions.
That being stated, probably the most important differentiating issue is pricing. GPT-4.5 is over 15 instances costlier than GPT-4o for related duties, which makes it much less viable for informal customers and companies targeted on cost-effective AI integration.
Finally, the selection between the 2 is determined by your wants, finances, and the complexity of your AI-powered workflows. If affordability and flexibility matter extra, GPT-4o is the best way to go. In the event you want premium accuracy and deep intelligence, GPT-4.5 in all probability justifies its value for highly-specialized use circumstances.
Steadily Requested Questions
A. GPT-4.5 is optimized for greater accuracy, emotional intelligence, and superior reasoning, making it ultimate for complicated duties. GPT-4o, however, is a sooner, less expensive, multimodal mannequin designed for real-time textual content, picture, and audio processing.
A. No, GPT-4.5 shouldn’t be a direct substitute for GPT-4o. It’s a higher-end mannequin designed for customers who want superior data processing, deep analytical skills, and premium AI efficiency. GPT-4o stays the extra reasonably priced and broadly out there choice.
A. GPT-4.5’s API is considerably costlier—roughly 15 instances extra pricey per token in comparison with GPT-4o API. Coming to the net interface, GPT-4o is on the market in ChatGPT Plus ($20/month), whereas GPT-4.5 is presently solely out there for Professional customers at $200/month.
A. In the event you’re engaged on complicated programming duties, automation, or multi-step coding workflows, GPT-4.5 is price contemplating because of its improved agentic AI capabilities. In the event you want fundamental debugging or fast code fixes, GPT-4o is ample.
A. Sure, GPT-4.5 is on the market through OpenAI’s API, however it’s considerably costlier than GPT-4o. In case your utility requires high-volume API calls, GPT-4o stays the less expensive choice.
A. Select GPT-4.5 if you happen to require top-tier accuracy, deep evaluation, and high-level reasoning, particularly in fields like regulation, finance, or medical analysis. Select GPT-4o for on a regular basis duties, affordability, and real-time AI interactions.
OpenAI has been on the prime of the generative AI sport for the final 3 years, releasing one floor breaking mannequin after the opposite. Yesterday, they launched GPT-4.5, a mannequin with a better EQ and inventive sense for on a regular basis duties. The mannequin competes with OpenAI’s flagship and by far probably the most used mannequin – GPT-4o – which is nice at textual content technology, logical reasoning, and even coding. Whereas not launched as a direct substitute for this mannequin, GPT-4.5 is hyped to be an even bigger and extra superior mannequin, owing to its greater pricing. On this GPT-4.5 vs GPT-4o comparability, we’ll witness the efficiency of each the mannequin throughout varied duties, and discover out which one is price our buck!
What’s GPT-4.5?
GPT-4.5 is OpenAI’s newest and most superior text-based AI mannequin, designed to enhance accuracy, emotional intelligence, and creativity. Not like GPT-4o, which is optimized for multimodal duties (textual content, picture, audio), GPT-4.5 focuses on textual content processing, data accuracy, and agentic capabilities. It’s sooner, extra dependable, and higher at understanding human intent, making it ultimate for writing, coding, automation, {and professional} functions.
A few of the key options of GPT-4.5 are:
- Greater Information Accuracy: The mannequin outperforms GPT-4o in factual correctness and reliability.
- Stronger Emotional Intelligence (EQ): This LLM is best at understanding human intent, feelings, and refined cues.
- Superior Writing & Creativity: The mannequin excels in long-form writing, storytelling, and nuanced content material creation.
- Agentic AI Capabilities: GPT-4.5 mannequin is more practical in multi-step automation and coding workflows.
- Decreased Hallucination Charge: The mannequin is factually dependable with fewer errors in comparison with GPT-4o.
Study Extra: All the things You Have to Know About OpenAI’s GPT-4.5
What’s GPT-4o?
GPT-4o (“Omni”) is OpenAI’s first broadly used multimodal mannequin, able to processing textual content, pictures, and audio in real-time. It’s designed to be sooner, cheaper, and extra environment friendly than earlier fashions whereas sustaining high-quality responses. Not like GPT-4.5, which is optimized for factual accuracy and emotional intelligence, GPT-4o focuses on multimodal capabilities and real-time interactions.
A few of the key options of GPT-4o are:
- Multimodal Capabilities : This LLM can shortly course of textual content, pictures, and audio in real-time.
- Actual-Time Interactions : GPT-4o is thought for its sooner response instances, making it ultimate for stay chat and voice AI.
- Balanced Reasoning & Creativity: The mannequin makes use of a mixture of step-by-step reasoning and direct solutions.
- Optimized for Conversational AI: The LLM is designed for partaking, human-like dialogue throughout varied inputs, be it textual content, picture or audio.
- Higher for API & Builders: The mannequin helps multimodal functions, operate calling, and real-time automation.
Study Extra: What Can You Do With GPT-4o? | Demo
The best way to Entry GPT-4.5 & GPT-4o
Each the fashions can be found in ChatGPT. Therefore to entry the fashions,
- Head to www.chatgpt.com
- Log in to your account or join one.
- From the highest, on the left aspect nook, within the mannequin choice dropdown, choose the mannequin that you just want to work with.

Whereas GPT-4o can also be out there to make use of in Free TIER of ChatGPT with restricted utilization; its largely out there within the ChatGPT Plus Plan which comes for $20 per thirty days.
GPT-4.5 is presently simply out there to the Professional customers and could be out there to the Plus customers and groups from subsequent week. The Professional plan comes for $200 per thirty days.
To entry the API, comply with the next steps:
- Signal Up or Log In to OpenAI’s web site.
- As soon as logged in, go to the API Keys part in your account settings.
- Click on on “Create API Key” and duplicate the generated key.
- Retailer it securely, as OpenAI won’t present it once more after creation.
- Some utilization tiers require including billing particulars. Guarantee your account is about up for API entry.
- Implement the API key in your code to authenticate requests to OpenAI’s GPT-4.5 and GPT-4o.
Additionally Learn: I Tried GPT-4.5 API at $150/1M Tokens – Right here’s Why it’s Overpriced
GPT-4.5 vs GPT-4o: Benchmark Comparability
Let’s start our comparability by trying on the efficiency of each these fashions in normal benchmark assessments.

As seen above, GPT-4.5 performs considerably higher than GPT-4o in all of the assessments, displaying its supremacy in Math, Science, Coding and Reasoning. The brand new mannequin outperforms GPT-4o in multilingual and multimodal duties as nicely.
So is GPT-4.5 actually higher than GPT-4o? Whereas that’s what these benchmark outcomes say, let’s discover out for ourselves by testing them each on some real-life duties.
GPT-4.5 vs GPT-4o: Efficiency Comparability
On this a part of the comparability, we’ll check out just a few completely different prompts on each the fashions and evaluate their efficiency. For this, we’ll be attempting GPT-4.5 and GPT-4o for the next duties and evaluating them primarily based on the standard of their responses.
- Drafting an E-mail
- Summarizing a Report
- Creating a Advertising Marketing campaign
- Fixing a Puzzle
- Analyzing an Picture
Process 1: Drafting an E-mail
Immediate: “Draft an e mail to an worker who has been dealing with private or skilled challenges. Categorical understanding, provide assist, and encourage them to maintain going with out sounding patronizing.”
Response by GPT-4.5

Response by GPT-4o

Comparative Evaluation
Each emails are empathetic and supportive, however GPT-4.5’s model prioritizes well-being and reassurance over action-driven motivation, demonstrating greater EQ. GPT-4o’s e mail, whereas being equally supportive, leans towards motivation and resilience, which can really feel barely directive moderately than purely comforting. GPT-4.5’s e mail can also be extra concise and emotionally attuned, whereas GPT-4o’s balances motivation with sensible assist like workload changes. On the entire, I would favor GPT-4.5’s response because it encompasses the essence of the e-mail inside fewer phrases.
Rating: GPT-4.5: 1 | GPT-4o: 0
Process 2: Summarizing a Report
Immediate: “Give me a 100-word abstract of this report
Report.pdf”
Response by GPT-4.5

Response by GPT-4o

Comparative Evaluation
Each fashions have given concise summaries, throughout the phrase depend, highlighting the benefits and dangers in correct percentages. GPT-4.5 provides a extra peripheral abstract following the construction of the report, whereas GPT-4o offers extra particulars into the numbers with readability. Moreover, GPT-4o mentions the title of the report and units a context by stating what the report is about. It additionally highlights the necessary elements, making it simple to learn and perceive, even at first look. This makes GPT-4o’s response higher.
Rating: GPT-4.5: 1 | GPT-4o: 1
Process 3: Creating a Advertising Marketing campaign
Immediate: “Craft a launch marketing campaign for a brand new AI-powered productiveness app. Deal with the way it helps customers handle their time effectively and stand out in a crowded market.”
Response by GPT-4.5

Yow will discover the total response right here.
Response by GPT-4o

Yow will discover the total response right here.
Comparative Evaluation
GPT-4.5 gave extra of a advertising overview with key promoting factors and marketing campaign channels, moderately than a full-fledged marketing campaign. Whereas it talked about artistic taglines and recommended promotional provides, the motion factors weren’t very clear.
In the meantime, GPT-4o gave a extra structured and actionable marketing campaign splitting it into varied phases equivalent to pre-launch, launch, and post-launch. It even deliberate out a week-wise advertising technique, giving step-by-step directions on learn how to go about it. Therefore, for this advertising duties, I really feel GPT-4o is a more sensible choice.
Rating: GPT-4.5: 1 | GPT-4o: 2
Process 4: Fixing a Puzzle
Immediate: “You’re in a room with three mild switches exterior and three mild bulbs inside. You possibly can solely enter the room as soon as. How do you establish which swap controls which bulb?”
Response by GPT-4.5

Response by GPT-4o

Comparative Evaluation
Each the fashions had been capable of provide you with the appropriate resolution to this difficult puzzle. Whereas GPT-4.5 defined the steps in fewer factors, GPT-4o’s directions had been extra structured and simpler to comply with. GPT-4o additionally mentions that the appropriate reply might be decided utilizing ‘warmth as in indicator’ – which is a few additional data. For a less complicated and better-explained reply, my vote goes to 4o for this job.
Rating: GPT-4.5: 1 | GPT-4o: 3
Process 5: Analyzing an Picture
Immediate: “What is going on on this picture? Clarify the underlying situation for which this therapy is usually recommended. Additionally point out its potential causes.”

Response by GPT-4.5

Response by GPT-4o


Comparative Evaluation
Each the fashions appropriately recognized the method proven within the picture as hemodialysis. Whereas GPT-4.5 defined the method as prompted, GPT-4o targeted on explaining the picture, itemizing out the completely different equipment and what they do. Coming to the causes of the situation, GPT-4o gave a complete and detailed checklist, mentioning the names of ailments. Whereas, GPT-4.5’s response felt extra concise, selecting out solely what the mannequin felt related or becoming. With a extra detailed response, GPT-4o wins this spherical as nicely.
Rating: GPT-4.5: 1 | GPT-4o: 4
Remaining Rating: GPT-4.5: 1 | GPT-4o: 4
Efficiency Comparability Abstract
Process | GPT-4.5 Efficiency | GPT-4o Efficiency | Winner |
Drafting an E-mail | Greater EQ, concise, emotionally attuned | Balanced motivation and assist, however barely directive | GPT-4.5 |
Summarizing a Report | Peripheral abstract, structured however much less detailed | Extra context, higher readability, structured, mentions key particulars | GPT-4o |
Creating a Advertising Marketing campaign | Advertising overview, however lacked step-by-step readability | Full-fledged marketing campaign, structured in phases, actionable steps | GPT-4o |
Fixing a Puzzle | Appropriate resolution, concise however much less structured | Appropriate resolution, structured, mentions utilizing warmth as an indicator | GPT-4o |
Analyzing an Picture | Defined the method nicely, however much less detailed causes | Defined the picture, listed equipment, detailed causes | GPT-4o |
GPT-4.5 vs GPT-4o: API Comparability
Within the final part, we now have seen the efficiency of GPT-4.5 vs GPT-4o for varied duties on their net interface. Now let’s focus on their APIs. GPT-4o API has been in use for the final two years, proving to be value environment friendly whereas offering good efficiency.

With GPT-4.5, the enter and output token value are respectively 30 and 15 instances costlier in comparison with GPT 4o!
How a lot of an affect does this imply on our pockets? To determine that out, we’ll first immediate GPT-4o API to assist me with a job. Primarily based on the tokens consumed, we’ll estimate the value it is going to incur to make use of each the fashions, assuming they each give the identical end result (or related efficiency).
Immediate: “A make-up firm is shedding its clients to its opponents because of lack of product selection. They don’t have the assets but to scale up and add extra merchandise, plan a method for them utilizing which they’ll leverage their current merchandise to retain their clients.”
Enter Code:
from openai import OpenAI
import time
import tiktoken
from IPython.show import show, Markdown
with open("path_to_api_key") as file:
api_key = file.learn().strip()
task1_start_time = time.time()
consumer = OpenAI(api_key=api_key)
messages = [
{
"role": "system",
"content": """You are an expert an useful assistant"""
},
{
"role": "user",
"content": """A makeup company is losing its customers to its competitors due to lack of product variety.
They do not have the resources yet to scale up and add more products, plan a strategy for them using which they can leverage their existing products to retain their customers.
"""
}
]
# Use a appropriate encoding (cl100k_base is the best choice for brand spanking new OpenAI fashions)
encoding = tiktoken.get_encoding("cl100k_base")
# Calculate token counts
input_tokens = sum(len(encoding.encode(msg["content"])) for msg in messages)
completion = consumer.chat.completions.create(
mannequin="gpt-4o",
messages=messages
)
output_tokens = len(encoding.encode(completion.decisions[0].message.content material))
task1_end_time = time.time()
input_cost_per_1m = 2.5 # Instance: $2.5 per 1M enter tokens
output_cost_per_1m = 10 # Instance: $10 per 1M output tokens
# Calculate value
input_cost = (input_tokens / 1000000) * input_cost_per_1m
output_cost = (output_tokens / 1000000) * output_cost_per_1m
total_cost = input_cost + output_cost
# Print outcomes
print(completion.decisions[0].message)
print("----------------=Complete Time Taken for job 1:----------------- ", task1_end_time - task1_start_time)
print(f"Enter Tokens: {input_tokens}, Output Tokens: {output_tokens}")
print(f"Estimated Price: ${total_cost:.6f}")
# Show end result
from IPython.show import Markdown
show(Markdown(completion.decisions[0].message.content material))
Output:


API Worth Evaluation
Mannequin | Enter Tokens | Output Tokens | Enter Price per Million Tokens | Output Price per Million Tokens | Complete Enter Price | Complete Output Price | Complete Cost |
GPT-4o | 60 | 581 | $2.50 | $10.00 | $0.00015 | $0.00581 | $0.00596 |
GPT-4.5 | 60 | 581 | $75.00 | $150.00 | $0.00450 | $0.08715 | $0.09165 |
This implies, GPT-4.5 is roughly 15.4 instances costlier than GPT-4o for a similar immediate! However is it price paying the value?
Additionally Learn: I Tried GPT-4.5 API at $150/1M Tokens – Right here’s Why it’s Overpriced
Is GPT-4.5 Definitely worth the Worth?
Each GPT-4.5 and GPT-4o are for on a regular basis duties like content material creation – which for many of us means – writing or proofreading our emails, or creating some sort of social media put up. We can also use these fashions for summarizing lengthy studies or pdfs or making fast flowcharts or understanding some new ideas.
For such duties, that though make our lives less complicated, it typically doesn’t justify to pay 15 instances greater than what we’re presently paying! So the conundrum rises: when to make use of GPT-4.5 and when to make use of GPT-4.0?
Process | Use GPT-4o For | Use GPT-4.5 For |
Writing & Enhancing | Emails, social media posts | Excessive-quality blogs, model copywriting |
Summarization | Fast article/PDF summaries | Detailed studies, authorized/monetary evaluation |
Buyer Assist | FAQs, chatbot responses | Customized, complicated queries |
Coding | Debugging, syntax fixes | Multi-step programming, automation |
Analysis & Information Work | Reality-checking, normal insights | Deep technical evaluation, high-stakes analysis |
Inventive Work | Advert copy, brief tales | Screenplays, novels, superior storytelling |
Enterprise & Technique | Brainstorming, easy planning | Excessive-level decision-making, danger assessments |
Thus, use GPT-4o for on a regular basis duties the place pace and value matter, and GPT-4.5 for high-accuracy, complicated, or mission-critical duties.
Even OpenAI acknowledges that GPT-4.5 is dear and never a substitute for GPT 4o. This official e mail from OpenAI additionally means that they might disable it in API to prioritise different developments.

Conclusion
This GPT-4.5 vs GPT-4o comparability highlighted the strengths and trade-offs of each the fashions. Whereas GPT-4.5 excels in data accuracy and emotional intelligence, GPT-4o stands out for cost-efficiency, and multimodal capabilities. Therefore GPT-4.5 appears to be a more sensible choice for duties the place precision and reasoning are vital – equivalent to in authorized, monetary, or high-stakes analysis. However, GPT-4o is finest fitted to duties enhancing productiveness and cost-efficient AI functions.
That being stated, probably the most important differentiating issue is pricing. GPT-4.5 is over 15 instances costlier than GPT-4o for related duties, which makes it much less viable for informal customers and companies targeted on cost-effective AI integration.
Finally, the selection between the 2 is determined by your wants, finances, and the complexity of your AI-powered workflows. If affordability and flexibility matter extra, GPT-4o is the best way to go. In the event you want premium accuracy and deep intelligence, GPT-4.5 in all probability justifies its value for highly-specialized use circumstances.
Steadily Requested Questions
A. GPT-4.5 is optimized for greater accuracy, emotional intelligence, and superior reasoning, making it ultimate for complicated duties. GPT-4o, however, is a sooner, less expensive, multimodal mannequin designed for real-time textual content, picture, and audio processing.
A. No, GPT-4.5 shouldn’t be a direct substitute for GPT-4o. It’s a higher-end mannequin designed for customers who want superior data processing, deep analytical skills, and premium AI efficiency. GPT-4o stays the extra reasonably priced and broadly out there choice.
A. GPT-4.5’s API is considerably costlier—roughly 15 instances extra pricey per token in comparison with GPT-4o API. Coming to the net interface, GPT-4o is on the market in ChatGPT Plus ($20/month), whereas GPT-4.5 is presently solely out there for Professional customers at $200/month.
A. In the event you’re engaged on complicated programming duties, automation, or multi-step coding workflows, GPT-4.5 is price contemplating because of its improved agentic AI capabilities. In the event you want fundamental debugging or fast code fixes, GPT-4o is ample.
A. Sure, GPT-4.5 is on the market through OpenAI’s API, however it’s considerably costlier than GPT-4o. In case your utility requires high-volume API calls, GPT-4o stays the less expensive choice.
A. Select GPT-4.5 if you happen to require top-tier accuracy, deep evaluation, and high-level reasoning, particularly in fields like regulation, finance, or medical analysis. Select GPT-4o for on a regular basis duties, affordability, and real-time AI interactions.