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Mistral AI: Mistral Small 4

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mistral-small-4

Mistral Small 4 is Mistral AI’s open-weights AI model, released Mar 16, 2026.

Context
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Input
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Output
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Released
Mar 16, 2026
Modalities

Benchmarks

Scores on standardized evaluations. Higher is better — and rank shows where Mistral Small 4 lands among all models tracked on Model Beat.

15.0
Intelligence Index
Artificial Analysis
15th percentile of tracked models
21.0
Coding Index
Artificial Analysis
21st percentile of tracked models
12.0
Agentic Index
Artificial Analysis
12th percentile of tracked models

Reasoning

2 evals
GPQA Diamond76.9%

Graduate-level scientific reasoning

Humanity's Last Exam9.9%

Frontier of human expert knowledge

Coding

1 evals
SciCode38.8%

Scientific research coding

Agentic & Tools

1 evals
τ²-bench41.2%

Tool-agent-user reliability

In the news

1

Compare Mistral Small 4 with

Mistral Small 4 vs GPT-6 AstraMistral Small 4 vs Claude Fable 5Mistral Small 4 vs Kimi K3Mistral Small 4 vs Grok 4.6Mistral Small 4 vs DeepSeek-V4-Pro-0813

Frequently asked questions

What is Mistral Small 4?

Mistral Small 4 is a Mistral-family AI model, from Mistral AI, released Mar 16, 2026.

Who created Mistral Small 4?

Mistral Small 4 is an AI model developed by Mistral AI, part of the Mistral family, released Mar 16, 2026.

How does Mistral Small 4 perform on benchmarks?

On standardized evaluations tracked by Epoch AI, Mistral Small 4 scores 38.8% on SciCode, 76.9% on GPQA Diamond, 41.2% on τ²-bench.

Is Mistral Small 4 open source?

Mistral Small 4 is released with open weights (Open weights (unrestricted)), so the model can be downloaded and self-hosted.

Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Sep 4, 2026.