Mistral Small 3.1 vs Grok 4.5
Mistral Mistral Small 3.1 | SpaceXAI Grok 4.5 | |
|---|---|---|
| Overview | ||
| Company | Mistral | SpaceXAI |
| Release date | Mar 17 2025 | Jul 8 2026 |
| Access | Open Weight | 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. | — | 64.7% |
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. | — | 78% |
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. | — | 62% |
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. | — | 83.3% |
| Timeline | ||
| Release gap | Mistral Small 3.1 shipped 478 days before Grok 4.5 | |
Which is better: Mistral Small 3.1 or Grok 4.5?
Mistral Small 3.1 and Grok 4.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 3.1 shipped 478 days before Grok 4.5, so benchmark comparisons should account for the intervening progress.
Mistral Small 3.1 is open weight, while Grok 4.5 is proprietary.
Direct benchmark comparisons are unavailable — Mistral Small 3.1 and Grok 4.5 don't publish scores on any of the same benchmarks.
Frequently asked questions
Mistral Small 3.1 was released by Mistral on Mar 17 2025.
Grok 4.5 was released by SpaceXAI on Jul 8 2026.
Mistral Small 3.1 is an open weight model released by Mistral. Grok 4.5 is a proprietary model released by SpaceXAI.
Other comparisons
Mistral Small 3.1 vs Claude Sonnet 5Grok 4.5 vs Claude Sonnet 5Mistral Small 3.1 vs GPT-5.6 SolGrok 4.5 vs GPT-5.6 SolMistral Small 3.1 vs Gemini OmniGrok 4.5 vs Gemini OmniMistral Small 3.1 vs Muse SparkGrok 4.5 vs Muse SparkMistral Small 3.1 vs DeepSeek-V4-ProGrok 4.5 vs DeepSeek-V4-ProMistral Small 3.1 vs Kimi K2.7 CodeGrok 4.5 vs Kimi K2.7 Code