Model Comparison
Gemini 3 Flash vs Mistral Small 4Which is better in 2026?
Gemini 3 Flash significantly outperforms across most benchmarks. Mistral Small 4 is 4.3x cheaper per token.
Verdict: Gemini 3 Flash vs Mistral Small 4 — which is better?
Gemini 3 Flash (by Google) and Mistral Small 4 (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.
Gemini 3 Flash outperforms in 3 benchmarks (AIME 2025, GPQA, MMMU-Pro), while Mistral Small 4 is better at 0 benchmarks. Gemini 3 Flash significantly outperforms across most benchmarks.
On price, Mistral Small 4 is roughly 4.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 3 Flash also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Gemini 3 Flash if…
- you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
- you process long inputs — it offers a 1,000,000 token context window
Choose Mistral Small 4 if…
- cost matters — it's about 4.3x cheaper per token
- you want the most recent training data — it shipped Mar 2026
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 3 Flash outperforms in 3 benchmarks (AIME 2025, GPQA, MMMU-Pro), while Mistral Small 4 is better at 0 benchmarks.
Gemini 3 Flash significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3 Flash ($0.50/1M tokens) is 3.3x more expensive than Mistral Small 4 ($0.15/1M tokens).
For output processing, Gemini 3 Flash ($3.00/1M tokens) is 5.0x more expensive than Mistral Small 4 ($0.60/1M tokens).
In conclusion, Gemini 3 Flash is more expensive than Mistral Small 4.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 3 Flash accepts 1,000,000 input tokens compared to Mistral Small 4's 256,000 tokens. Mistral Small 4 can generate longer responses up to 256,000 tokens, while Gemini 3 Flash is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Both Gemini 3 Flash and Mistral Small 4 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 3 Flash
Mistral Small 4
License
Usage and distribution terms
Gemini 3 Flash is licensed under a proprietary license, while Mistral Small 4 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
Gemini 3 Flash was released on 2025-12-17, while Mistral Small 4 was released on 2026-03-16.
Mistral Small 4 is 3 months newer than Gemini 3 Flash.
Dec 17, 2025
6 months ago
Mar 16, 2026
3 months ago
2mo newerKnowledge Cutoff
When training data ends
Gemini 3 Flash has a documented knowledge cutoff of 2025-01-31, while Mistral Small 4's cutoff date is not specified.
We can confirm Gemini 3 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without Mistral Small 4's cutoff date.
Jan 2025
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Provider Availability
Gemini 3 Flash is available from Google. Mistral Small 4 is available from Mistral AI.
Gemini 3 Flash
Mistral Small 4
Outputs Comparison
Key Takeaways
Mistral Small 4
View detailsMistral AI
Detailed Comparison
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FAQ
Common questions about Gemini 3 Flash vs Mistral Small 4.