Mistral: Devstral Small 1.1: Pricing, Context Window & Benchmarks
by Mistral
Devstral Small 1.1 is a 24B parameter open-weight language model for software engineering agents, developed by Mistral AI in collaboration with All Hands AI. Finetuned from Mistral Small 3.1 and released under the Apache 2.0 license, it features a 128k token context window and supports both Mistral-style function calling and XML output formats. Designed for agentic coding workflows, Devstral Small 1.1 is optimized for tasks such as codebase exploration, multi-file edits, and integration into autonomous development agents like OpenHands and Cline. It achieves 53.6% on SWE-Bench Verified, surpassing all other open models on this benchmark, while remaining lightweight enough to run on a single 4090 GPU or Apple silicon machine. The model uses a Tekken tokenizer with a 131k vocabulary and is deployable via vLLM, Transformers, Ollama, LM Studio, and other OpenAI-compatible runtimes.
What you can do with Mistral: Devstral Small 1.1
Everyday Q&A and clear explanations
Writing help (emails, posts, summaries)
Idea generation and brainstorming
Learning support with step-by-step guidance
Benchmarks not available
This model isn't listed on Artificial Analysis yet. Showing OpenRouter specs below.
| Metric | Value |
|---|---|
| Provider | Mistral |
| Context Window | 131,072 tokens |
| Input Price | $0.10/1M tokens |
| Output Price | $0.30/1M tokens |
| Release Date | Jul 10, 2025 |
| Modalities | text |
| Capabilities | Function Calling, Structured Outputs, JSON Mode |
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Frequently asked questions
What is Mistral: Devstral Small 1.1 good for?
Use Mistral: Devstral Small 1.1 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does Mistral: Devstral Small 1.1 cost?
Pricing is based on usage. Current rates are $0.10/1M tokens for input and $0.30/1M tokens for output.
Can I try Mistral: Devstral Small 1.1 for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does Mistral: Devstral Small 1.1 support images or audio?
Mistral: Devstral Small 1.1 focuses on text-based tasks.
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Pricing, context, and capability data are sourced from OpenRouter.
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