Model Comparison
GPT-5.6 Sol vs Mistral Small 3 24B InstructWhich is better in 2026?
GPT-5.6 Sol significantly outperforms across most benchmarks. Mistral Small 3 24B Instruct is 128.6x cheaper per token.
Verdict: GPT-5.6 Sol vs Mistral Small 3 24B Instruct — which is better?
GPT-5.6 Sol (by OpenAI) and Mistral Small 3 24B Instruct (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-5.6 Sol outperforms in 1 benchmarks (GPQA), while Mistral Small 3 24B Instruct is better at 0 benchmarks. GPT-5.6 Sol significantly outperforms across most benchmarks.
On price, Mistral Small 3 24B Instruct is roughly 128.6x 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 want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- 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 3 24B Instruct if…
- cost matters — it's about 128.6x 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 outperforms in 1 benchmarks (GPQA), while Mistral Small 3 24B Instruct is better at 0 benchmarks.
GPT-5.6 Sol significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5.6 Sol ($5.00/1M tokens) is 71.4x more expensive than Mistral Small 3 24B Instruct ($0.07/1M tokens).
For output processing, GPT-5.6 Sol ($30.00/1M tokens) is 214.3x more expensive than Mistral Small 3 24B Instruct ($0.14/1M tokens).
In conclusion, GPT-5.6 Sol is more expensive than Mistral Small 3 24B Instruct.*
* 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 3 24B Instruct's 32,000 tokens. GPT-5.6 Sol can generate longer responses up to 128,000 tokens, while Mistral Small 3 24B Instruct is limited to 32,000 tokens.
Input Capabilities
Supported data types and modalities
GPT-5.6 Sol supports multimodal inputs, whereas Mistral Small 3 24B Instruct 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 3 24B Instruct
License
Usage and distribution terms
GPT-5.6 Sol is licensed under a proprietary license, while Mistral Small 3 24B Instruct uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
GPT-5.6 Sol was released on 2026-07-09, while Mistral Small 3 24B Instruct was released on 2025-01-30.
GPT-5.6 Sol is 18 months newer than Mistral Small 3 24B Instruct.
Jul 9, 2026
2 weeks ago
1.4yr newerJan 30, 2025
1.5 years ago
Knowledge Cutoff
When training data ends
GPT-5.6 Sol has a knowledge cutoff of 2026-02-16, while Mistral Small 3 24B Instruct has a cutoff of 2023-10-01.
GPT-5.6 Sol has more recent training data (up to 2026-02-16), making it potentially better informed about events through that date compared to Mistral Small 3 24B Instruct (2023-10-01).
Feb 2026
2.3 yr newerOct 2023
Provider Availability
GPT-5.6 Sol is available from OpenAI. Mistral Small 3 24B Instruct is available from DeepInfra, Mistral AI.
GPT-5.6 Sol
Mistral Small 3 24B Instruct
Outputs Comparison
Key Takeaways
GPT-5.6 Sol
View detailsOpenAI
Mistral Small 3 24B Instruct
View detailsMistral AI
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against GPT-5.6 Sol and Mistral Small 3 24B Instruct 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 3 24B Instruct.