Claude 3 Haiku vs Mistral Medium 3.5
Anthropic Claude 3 Haiku | Mistral Mistral Medium 3.5 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Mistral |
| Release date | Mar 4 2024 | Apr 29 2026 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 128B |
Context window | — | 256k |
| 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. | 10% | — |
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. | — | 77.6% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 33.3% | — |
| Timeline | ||
| Release gap | Claude 3 Haiku shipped 786 days before Mistral Medium 3.5 | |
Which is better: Claude 3 Haiku or Mistral Medium 3.5?
Claude 3 Haiku and Mistral Medium 3.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3 Haiku shipped 786 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.
Claude 3 Haiku is proprietary, while Mistral Medium 3.5 is open weight.
Direct benchmark comparisons are unavailable — Claude 3 Haiku and Mistral Medium 3.5 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 3 Haiku was released by Anthropic on Mar 4 2024.
Mistral Medium 3.5 was released by Mistral on Apr 29 2026.
Claude 3 Haiku is a proprietary model released by Anthropic. Mistral Medium 3.5 is an open weight model released by Mistral.
Other comparisons
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