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Sunday, February 8, 2026

GPT 5 vs GPT 4o: Which is Higher?


The newest launch of GPT-5 has taken the world by storm. OpenAI’s latest flagship mannequin has acquired blended evaluations – whereas some reward its capabilities, others spotlight its shortcomings. This made me surprise: Is GPT-5 really superior to the unique favourite, GPT-4o?

Personally, GPT-4o was my go-to LLM for every part from textual content summarization to picture technology and information evaluation. Now that OpenAI has changed it with GPT-5, I made a decision to place each fashions to the check. Is that this improve genuinely evolutionary, or a rushed transfer that may diminish ChatGPT’s attraction?

Let the battle of the GPTs start!

GPT 5 and GPT 4o: A Fast Reminder

Let’s  rapidly dive into particulars concerning the two chatGPT fashions that we are going to be testing on this weblog: GPT-5 and GPT 4o

GPT-5

Launched final week, GPT-5 now stands as ChatGPT’s most superior mannequin. OpenAI’s newest multimodal LLM introduces agentic capabilities and a ‘unified system’ for process evaluation. This method routinely determines whether or not a question requires deep reasoning or fundamental processing. In contrast to earlier fashions, GPT-5 follows a ‘learn-by-doing’ method. It exhibits elevated empathy whereas being much less agreeable than its predecessors. Together with this GPT-5 comes with enhanced coding, writing and vibecoding powers

Discover extra in my earlier article on GPT-5.

GPT-4o

Launched final yr, GPT-4o (the place “o” means “omni”) was the first-of-its-kind mannequin. This multimodal modified the way in which individuals used ChatGPT. The mannequin got here with enhanced coding and visible evaluation capabilities. GPT-4o got here with speech recognition and speech evaluation options too. The mannequin got here with elevated processing velocity and diminished response latency. OpenAI’s GPT-4o generated extra pure and smart responses, and was capable of entry instruments and provides real-time info.

To know extra, checkout this text on GPT 4o.

GPT 5 vs GPT 4o: Characteristic Comparability

Characteristic GPT-4o GPT-5
Launch Date Might 2024 Aug 2025
Modalities Textual content, Picture, Audio Textual content, Picture, Audio, Video
Context Window (ChatGPT) ~128k tokens 256k tokens
Context Window (API) ~128k tokens 400k tokens
Reasoning Mode Single mannequin Twin-mode: Quick + Deep Reasoning
Hallucination Charge Low Lowest but amongst OpenAI fashions
Personalization None Persona presets + tone management
Software Integration Restricted Gmail, Calendar, code instruments, extra
Secure Completions No Sure – bounded, helpful solutions
SWE-bench Verified 30.8% accuracy 74.9% accuracy
AIME 2025 (Math) 71% 94.6% (with out instruments)
VideoMMMU 58.8% 81.1%
HealthBench 31.6% 46.2%
Goal Use Circumstances Actual-time interplay, inventive duties Complicated reasoning, enterprise workflows

GPT 5 vs GPT 4o: Process Comparability

Now, let’s put each fashions to the check by evaluating their efficiency on the next duties:

  1. Content material creation
  2. Picture Era
  3. Coding
  4. Picture Evaluation
  5. Reasoning

Let the GPT-5 vs GPT-4o battle start!

Process 1: Content material Creation

Learn the article at https://www.analyticsvidhya.com/weblog/2024/07/building-agentic-rag-systems-with-langgraph/ to know the method of making a vector database for Wikipedia information. Then, present a concise abstract of the important thing steps.”

GPT-5 Response:

GPT-4o Response:

GPT 4o Output - Article Summarizer

Statement:

The response generated by GPT-5 is the concise abstract that an individual educated on the subject would need. The steps are all listed in correct order and include simply sufficient context. Then again, GPT-4o’s response is a abstract of all of the steps talked about within the weblog. It lists all of the steps that had been lined within the weblog in the identical method as mentioned there. The distinction within the method of the 2 fashions is: GPT-5 merges the factors to generate a concise abstract of your complete course of, whereas GPT-4o creates a concise abstract of all of the steps lined within the weblog.

Process 2: Picture Era

The picture is of working of a voice agent. It has 3 major elements
Speech-to-text (STT): Captures and converts your spoken phrases into textual content.
Agentic logic: That is your code (or your agent), which figures out the suitable response
Textual content-to-speech (TTS): Converts the agent’s textual content reply again into audio that’s spoken aloud.
Convert this fundamental picture into vibrant picture.

GPT-5 Response:

GPT-5 Response on Image Generation Task

GPT-4o Response:

GPT 4o Image Generation Task

Statement:

The duty was easy, and each fashions executed it fairly nicely. Beginning with GPT-5, it created a vibrant picture with popping colours. The picture it generated had textual content and icons; nonetheless, there was a minor error – a small arrow connecting the mic icon with the TTS field. As for the picture generated by GPT-4o, it used strong colours, making it much less vibrant. The strengths of GPT-4o’s picture had been the audio enter and output sources that it included.

Process 3: Coding

Fundamental HTML code for a word-counting web site.

GPT-5 Response:

GPT-5 Response on Coding

GPT-4o Response:

HTML-Website-GPT-4o

Statement:

GPT-5 took a while to generate the code for this question, particularly for the phrase counter web site. Nonetheless, the ultimate output was fairly spectacular. The UI/UX and options got here collectively to create a totally useful word-counting webpage. Then again, GPT-4o’s output felt lackluster as compared. The UI/UX was fundamental, providing solely the core word-counting function with out extra refinements. Its design additionally appeared considerably outdated

Process 4: Picture Evaluation

Calculate the output of this circuit diagram.

GPT-5 Response:

GPT 5 Output on Image Analysis

GPT-4o Response:

GPT 4o Response for Image Analysis

Statement:

GPT-5 answered this query rapidly, analyzing each the picture and its elements effectively. It appropriately recognized the half-wave rectifier, learn the values marked on the diagram, and utilized the correct logic to calculate the output present and voltage values. In distinction, GPT-4o struggled with this process. Whereas it acknowledged the output waveform, it didn’t course of different vital elements. Most notably, GPT-4o couldn’t extract the mandatory values from the picture to carry out any calculations.

Process 5: Reasoning

Resolve the next Sudoku and provides the ultimate resolution as a picture.

Reasoning Problem

GPT-5 Response:

GPT-5 Response on Reasoning Task

GPT-4o Response:

GPT-4o Response on Reasoning Task

Statement:

GPT-5 initially struggled with picture interpretation, taking up three minutes to course of the enter. Moderately than fixing the puzzle independently, it requested affirmation of a number of values inside the picture. After I manually offered all of the row values, the mannequin efficiently processed and solved the puzzle, yielding an accurate resolution, although requiring important consumer help.

GPT-4o, in contrast, failed to resolve the puzzle fully. It merely populated all lacking values with zeros and introduced this as its output resolution.

GPT-5 vs GPT-4o: Last Verdict

Choosing a transparent winner has by no means been more difficult. Right here’s how the 2 LLMs carried out throughout completely different duties:

Process GPT-5 GPT-4o
Content material Creation Extra concise Higher summarized
Picture Era Extra vibrant Extra inventive
Coding Nice Restricted functionality
Picture Evaluation Common Common
Reasoning Wonderful Fundamental functionality

Is there a transparent winner between the 2? The reply isn’t any. Efficiency varies considerably by process:

  • GPT-5 dominates in coding and reasoning
  • GPT-4o holds its personal in content material creation and picture technology/evaluation
  • Pace vs. Depth: GPT-4o delivers sooner responses, whereas GPT-5 generally hesitates between thorough evaluation and fast technology

Context issues: Do not forget that GPT-4o is a yr older. Whereas GPT-5 advantages from more moderen coaching information and agentic optimizations, is it really groundbreaking in comparison with its predecessor? Not precisely.

Conclusion

Because the world calls for GPT-4o’s comeback, I wholeheartedly agree.

Whereas GPT-5 has improved since Day 1 (now outperforming its Day 3 outcomes), its rushed launch left customers struggling to adapt. The reality is, GPT-5 solely marginally surpasses GPT-4o on particular duties, making it painfully onerous to desert our beloved GPT-4o for one thing that feels merely “a tad higher.” Maybe OpenAI wanted extra rigorous testing earlier than launch. However now that it’s dwell, we are able to solely watch its evolution.

At present? I’d signal any petition to deliver again GPT-4o. ChatGPT has modified, and never for the higher. Let me know your ideas within the remark part.

PS: I took GPT 4o outputs from our earlier blogs:

Anu Madan is an skilled in tutorial design, content material writing, and B2B advertising, with a expertise for remodeling advanced concepts into impactful narratives. Along with her deal with Generative AI, she crafts insightful, revolutionary content material that educates, conjures up, and drives significant engagement.

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