Model Comparison
GPT-5 vs Mistral Large 2Which is better in 2026?
GPT-5 significantly outperforms across most benchmarks. Mistral Large 2 is 1.1x cheaper per token.
Verdict: GPT-5 vs Mistral Large 2 — which is better?
GPT-5 (by OpenAI) and Mistral Large 2 (by Mistral AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
GPT-5 outperforms in 2 benchmarks (HumanEval, MMLU), while Mistral Large 2 is better at 0 benchmarks. GPT-5 significantly outperforms across most benchmarks.
On price, Mistral Large 2 is roughly 1.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-5 also accepts a larger context window (400,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose GPT-5 if…
- you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
- you process long inputs — it offers a 400,000 token context window
- you want the most recent training data — it shipped Aug 2025
Choose Mistral Large 2 if…
- cost matters — it's about 1.1x cheaper per token
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5 outperforms in 2 benchmarks (HumanEval, MMLU), while Mistral Large 2 is better at 0 benchmarks.
GPT-5 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5 ($1.25/1M tokens) is 1.6x cheaper than Mistral Large 2 ($2.00/1M tokens).
For output processing, GPT-5 ($10.00/1M tokens) is 1.7x more expensive than Mistral Large 2 ($6.00/1M tokens).
In conclusion, GPT-5 is more expensive than Mistral Large 2.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5 accepts 400,000 input tokens compared to Mistral Large 2's 128,000 tokens. Both models can generate responses up to 128,000 tokens.
Input Capabilities
Supported data types and modalities
GPT-5 supports multimodal inputs, whereas Mistral Large 2 does not.
GPT-5 can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5
Mistral Large 2
License
Usage and distribution terms
GPT-5 is licensed under a proprietary license, while Mistral Large 2 uses Mistral Research License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Mistral Research License
Open weights
Release Timeline
When each model was launched
GPT-5 was released on 2025-08-07, while Mistral Large 2 was released on 2024-07-24.
GPT-5 is 13 months newer than Mistral Large 2.
Aug 7, 2025
11 months ago
1.0yr newerJul 24, 2024
2.0 years ago
Knowledge Cutoff
When training data ends
GPT-5 has a documented knowledge cutoff of 2024-09-30, while Mistral Large 2's cutoff date is not specified.
We can confirm GPT-5's training data extends to 2024-09-30, but cannot make a direct comparison without Mistral Large 2's cutoff date.
Sep 2024
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Provider Availability
GPT-5 is available from OpenAI. Mistral Large 2 is available from Google, Mistral AI.
GPT-5
Mistral Large 2
Outputs Comparison
Key Takeaways
GPT-5
View detailsOpenAI
Mistral Large 2
View detailsMistral AI
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against GPT-5 and Mistral Large 2 side-by-side, then vote on the output you prefer.
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FAQ
Common questions about GPT-5 vs Mistral Large 2.