Model Comparison
GPT-5.6 Sol vs Mistral SmallWhich is better in 2026?
Comparing GPT-5.6 Sol and Mistral Small across benchmarks, pricing, and capabilities.
Verdict: GPT-5.6 Sol vs Mistral Small — which is better?
GPT-5.6 Sol (by OpenAI) and Mistral Small (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.
On price, Mistral Small is roughly 37.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-5.6 Sol also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose GPT-5.6 Sol if…
- you process long inputs — it offers a 1,050,000 token context window
- you want the most recent training data — it shipped Jul 2026
Choose Mistral Small if…
- cost matters — it's about 37.5x cheaper per token
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5.6 Sol and Mistral Smalldon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5.6 Sol ($5.00/1M tokens) is 25.0x more expensive than Mistral Small ($0.20/1M tokens).
For output processing, GPT-5.6 Sol ($30.00/1M tokens) is 50.0x more expensive than Mistral Small ($0.60/1M tokens).
In conclusion, GPT-5.6 Sol is more expensive than Mistral Small.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.6 Sol accepts 1,050,000 input tokens compared to Mistral Small's 32,768 tokens. GPT-5.6 Sol can generate longer responses up to 128,000 tokens, while Mistral Small is limited to 32,768 tokens.
Input Capabilities
Supported data types and modalities
GPT-5.6 Sol supports multimodal inputs, whereas Mistral Small does not.
GPT-5.6 Sol can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5.6 Sol
Mistral Small
License
Usage and distribution terms
GPT-5.6 Sol is licensed under a proprietary license, while Mistral Small 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-5.6 Sol was released on 2026-07-09, while Mistral Small was released on 2024-09-17.
GPT-5.6 Sol is 22 months newer than Mistral Small.
Jul 9, 2026
1 weeks ago
1.8yr newerSep 17, 2024
1.8 years ago
Knowledge Cutoff
When training data ends
GPT-5.6 Sol has a documented knowledge cutoff of 2026-02-16, while Mistral Small's cutoff date is not specified.
We can confirm GPT-5.6 Sol's training data extends to 2026-02-16, but cannot make a direct comparison without Mistral Small's cutoff date.
Feb 2026
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Provider Availability
GPT-5.6 Sol is available from OpenAI. Mistral Small is available from Mistral AI.
GPT-5.6 Sol
Mistral Small
Outputs Comparison
Key Takeaways
GPT-5.6 Sol
View detailsOpenAI
Mistral Small
View detailsMistral AI
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against GPT-5.6 Sol and Mistral Small side-by-side, then vote on the output you prefer.
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FAQ
Common questions about GPT-5.6 Sol vs Mistral Small.