Claude Haiku 4.5 vs Mathstral 7B
Anthropic Claude Haiku 4.5 | Mistral Mathstral 7B | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Mistral |
| Release date | Oct 15 2025 | Jul 16 2024 |
| Access | Proprietary | Open Weight |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 77% | — |
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 73.3% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 73% | — |
| Timeline | ||
| Release gap | Mathstral 7B shipped 456 days before Claude Haiku 4.5 | |
Which is better: Claude Haiku 4.5 or Mathstral 7B?
Claude Haiku 4.5 and Mathstral 7B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mathstral 7B shipped 456 days before Claude Haiku 4.5, so benchmark comparisons should account for the intervening progress.
Claude Haiku 4.5 is proprietary, while Mathstral 7B is open weight.
Direct benchmark comparisons are unavailable — Claude Haiku 4.5 and Mathstral 7B don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude Haiku 4.5 was released by Anthropic on Oct 15 2025.
Mathstral 7B was released by Mistral on Jul 16 2024.
Claude Haiku 4.5 is a proprietary model released by Anthropic. Mathstral 7B is an open weight model released by Mistral.
Other comparisons
Claude Haiku 4.5 vs GPT-5.6 SolMathstral 7B vs GPT-5.6 SolClaude Haiku 4.5 vs Gemini OmniMathstral 7B vs Gemini OmniClaude Haiku 4.5 vs Muse Spark 1.1Mathstral 7B vs Muse Spark 1.1Claude Haiku 4.5 vs Grok 4.5Mathstral 7B vs Grok 4.5Claude Haiku 4.5 vs DeepSeek-V4-ProMathstral 7B vs DeepSeek-V4-ProClaude Haiku 4.5 vs Kimi K2.7 CodeMathstral 7B vs Kimi K2.7 Code