Mistral: Mistral Small 3.1 24B (free)
Analysis Summary
Mistral Small 3.1 24B (free) is an open-weight model from Mistral AI with a strong feature set for its size: tool use, function calling, and vision support across a 128K context window. Intelligence index sits at 14.5, with MMLU-Pro at 0.659 and GPQA at 0.454. The agentic index of 16.4 and coding index of 13.9 are the strongest in this batch among free models, making it a credible option for lightweight automation.
For businesses, this model fits well in content drafting, structured data extraction, and basic agentic pipelines where cost is a constraint. The combination of tool use and function calling at zero cost is a meaningful advantage for teams building integrations or automation workflows. Long-context reasoning (LCR 0.197) is better than most models in this batch, and instruction-following is adequate.
As a free, open-weight model with multimodal and tool-use capabilities, Mistral Small 3.1 24B is one of the more versatile options at this price point. Teams needing a capable, deployable model for moderate-complexity tasks without API costs will find it a strong fit.
Assessed June 6, 2026
Editorial notes
Mistral Small 3.1 24B free tier delivers tool use, function calling, and vision in a compact open model with a 128K context window, suited to cost-sensitive business automation and content workflows.
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Performance Profile
How Mistral: Mistral Small 3.1 24B (free) compares
Mistral: Mistral Small 3.1 24B (free) ranks #245 of 377 AI models we track for overall intelligence, #195 of 314 for coding, #206 of 289 for agentic tasks. Its 128K-token context window is larger than 43% of the models we list. Mistral: Mistral Small 3.1 24B (free) is currently free to use via OpenRouter.
About Mistral: Mistral Small 3.1 24B (free)
Mistral Small 3.1 24B Instruct is an upgraded variant of Mistral Small 3 (2501), featuring 24 billion parameters with advanced multimodal capabilities. It provides state-of-the-art performance in text-based reasoning and vision tasks, including image analysis, programming, mathematical reasoning, and multilingual support across dozens of languages. Equipped with an extensive 128k token context window and optimized for efficient local inference, it supports use cases such as conversational agents, function calling, long-document comprehension, and privacy-sensitive deployments. The updated version is Mistral Small 3.2
Capabilities
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does Mistral: Mistral Small 3.1 24B (free) stack up?
Compare side-by-side with other professional models.
Model Information
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External Resources
Frequently asked questions about Mistral: Mistral Small 3.1 24B (free)
How much does Mistral: Mistral Small 3.1 24B (free) cost?
Mistral: Mistral Small 3.1 24B (free) is currently available for free via OpenRouter.
What is the context window of Mistral: Mistral Small 3.1 24B (free)?
Mistral: Mistral Small 3.1 24B (free) has a context window of 128,000 tokens (128K).
Is Mistral: Mistral Small 3.1 24B (free) good for coding?
On our coding benchmark index, Mistral: Mistral Small 3.1 24B (free) ranks #195 of 314 models, placing it in the broader range of the field for code generation and debugging.
What can Mistral: Mistral Small 3.1 24B (free) do?
Mistral: Mistral Small 3.1 24B (free) supports image/vision input, tool use, and function calling.
Who created Mistral: Mistral Small 3.1 24B (free)?
Mistral: Mistral Small 3.1 24B (free) is developed by Mistral and was released on March 17, 2025.
