Mistral Small 3.1 24B Instruct
Summary
Mistral Small 3.1 24B Instruct is an open-weight language model from Mistral AI, released on 17 Mar 2025. It accepts text and generates text, with a 128K-token context window and up to 128K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.35 per million input tokens and $0.56 per million output tokens (Cloudflare Workers AI), across 2 providers we track.
Efficient Mistral model for fast chat, extraction, and production assistants
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Mistral AI |
|---|---|
| Release date | 17 Mar 2025 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Open weights [Hugging Face] |
| License | apache-2.0 [Hugging Face] |
| Parameters | 24B [Hugging Face] |
| Context window | 128K (128,000 tokens) [models.dev] |
| Max output | 128K tokens [models.dev] |
| Knowledge cutoff | Jun 2024 [models.dev] |
| Input | Text [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | No [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | No [models.dev] |
| Hugging Face | mistralai/Mistral-Small-3.1-24B-Instruct-2503 [Hugging Face] |
Mistral Small 3.1 24B Instruct API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| Cloudflare Workers AI @cf/mistralai/mistral-small-3.1-24b-instruct | $0.35 | $0.56 | – | 128K | models.dev, 4 Oct 2026 |
| OpenRouter mistralai/mistral-small-3.1-24b-instruct | $0.35 | $0.56 | – | 128K | OpenRouter, 4 Oct 2026 |
Frequently asked questions
What is the context window of Mistral Small 3.1 24B Instruct?
Mistral Small 3.1 24B Instruct has a context window of 128,000 tokens (128K) and can generate up to 128,000 tokens in a single response, according to models.dev.
How much does the Mistral Small 3.1 24B Instruct API cost?
Mistral Small 3.1 24B Instruct is listed from $0.35 per million input tokens and $0.56 per million output tokens (Cloudflare Workers AI). Prices last verified 4 Oct 2026.
Is Mistral Small 3.1 24B Instruct open source?
Mistral Small 3.1 24B Instruct is an open-weight model: its weights are published on Hugging Face as mistralai/Mistral-Small-3.1-24B-Instruct-2503 under the apache-2.0 license. Check the license terms before commercial use.
When was Mistral Small 3.1 24B Instruct released?
Mistral AI released Mistral Small 3.1 24B Instruct on 17 Mar 2025, according to models.dev.
Which providers offer Mistral Small 3.1 24B Instruct?
We track Mistral Small 3.1 24B Instruct on 2 providers: Cloudflare Workers AI, OpenRouter.
Change history
No changes detected since we started tracking this model. We re-check every source daily.