Composer 2.5 vs Mistral Small 4
Cursor Composer 2.5 | Mistral Mistral Small 4 | |
|---|---|---|
| Overview | ||
| Company | Cursor | Mistral |
| Release date | May 18 2026 | Mar 16 2026 |
| Access | Proprietary | Proprietary |
| Benchmarks | ||
Agentic coding SWE-Bench ProCan the AI fix real bugs in real software? It's handed actual problems from open-source projects and has to write code that genuinely solves them. Higher is better. | 54% | — |
Multilingual coding SWE-Bench MultilingualLike SWE-Bench, but the coding problems span many programming languages, not just one. Tests how broadly the AI can code. Higher is better. | 79.8% | — |
Agentic coding CursorBench v3.1Cursor's own test of harder, real-world coding tasks inside a code editor. Higher is better. | 63.2% | — |
Agentic coding DeepSWE 1.0Artificial Analysis' independent test of deep, agentic software-engineering work — the AI has to plan and carry out substantial coding tasks end to end. Higher is better. | 18% | — |
Next.js coding Next.js EvalsVercel's open eval of how well AI coding agents build and migrate real Next.js apps — measured as the share of tasks the agent completes successfully. Higher is better. | 92% | — |
Agentic terminal coding Terminal-Bench 2.1Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? Higher is better. | 73% | — |
Agentic terminal coding Terminal-Bench 2.0Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? (Version 2.0 of the test.) Higher is better. | 69.3% | — |
| Timeline | ||
| Release gap | Mistral Small 4 shipped 63 days before Composer 2.5 | |
Which is better: Composer 2.5 or Mistral Small 4?
Composer 2.5 and Mistral Small 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 4 shipped 63 days before Composer 2.5, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — Composer 2.5 and Mistral Small 4 don't publish scores on any of the same benchmarks.
Frequently asked questions
Composer 2.5 was released by Cursor on May 18 2026.
Mistral Small 4 was released by Mistral on Mar 16 2026.
Other comparisons
Composer 2.5 vs Claude Sonnet 5Mistral Small 4 vs Claude Sonnet 5Composer 2.5 vs GPT-5.6 SolMistral Small 4 vs GPT-5.6 SolComposer 2.5 vs Gemini OmniMistral Small 4 vs Gemini OmniComposer 2.5 vs Muse Spark 1.1Mistral Small 4 vs Muse Spark 1.1Composer 2.5 vs Grok 4.5Mistral Small 4 vs Grok 4.5Composer 2.5 vs DeepSeek-V4-ProMistral Small 4 vs DeepSeek-V4-Pro