# Mistral Devstral Small 1.1: AI model fact sheet

- **Provider:** mistral
- **Released:** 2025-07-11
- **API pricing:** $0.10 / 1M input, $0.30 / 1M output
- **OpenRouter ID:** mistralai/devstral-small
- **Capabilities:** conversation, reasoning, code-generation, analysis

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.

## Benchmarks

| Benchmark | Score |
| --- | --- |
| SWE-bench Verified | 46.8% |

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/devstral-small