Mistral: Mistral Small 3.1 24B (free)
Analysis Summary
Mistral Small 3.1 24B is a multimodal Mistral model with a 128K context window, vision, tool use, and function calling. Its coding capability is stronger than the other compact models in this batch, while free access makes it attractive for development experiments, internal utilities, and high-volume structured generation.
Good use cases include code explanation, test drafting, data transformation, document extraction, image-assisted support workflows, and bounded tool calls. General reasoning and agentic performance are not at flagship level, so autonomous software delivery, difficult research, and unsupervised client copy still need review. The combination of free access and broad interface support is its clearest operational advantage.
Put it on workflows that need affordable coding or multimodal automation. It can serve as a capable secondary model, while premium reasoning systems remain preferable for complex decisions and polished strategic content.
Assessed August 9, 2026
Editorial notes
Mistral Small 3.1 24B pairs the batch's strongest coding profile with vision, function calling, and a 128K context window. The free offering is well suited to development assistance and structured automation, with reasoning depth still below flagship systems.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
Mistral Small 3.1 24B pairs the batch's strongest coding profile with vision, function calling, and a 128K context window. The free offering is well suited to development assistance and structured automation, with reasoning depth still below flagship systems.
How Mistral: Mistral Small 3.1 24B (free) compares
Mistral: Mistral Small 3.1 24B (free) ranks #221 of 433 AI models we track for overall intelligence, #124 of 206 for coding, #139 of 188 for agentic tasks. Its 128K-token context window is larger than 36% of the models we list. Mistral: Mistral Small 3.1 24B (free) is currently free to use via OpenRouter.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on business fit. The pulled-in value corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →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
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 #124 of 206 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.