Magistral Small vs o3
Mistral Magistral Small | OpenAI o3 | |
|---|---|---|
| Overview | ||
| Company | Mistral | OpenAI |
| Release date | Jun 10 2025 | Apr 16 2025 |
| Access | Proprietary | Proprietary |
| 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. | — | 26% |
| Timeline | ||
| Release gap | o3 shipped 55 days before Magistral Small | |
Which is better: Magistral Small or o3?
Magistral Small and o3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o3 shipped 55 days before Magistral Small, 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 — Magistral Small and o3 don't publish scores on any of the same benchmarks.
Frequently asked questions
Magistral Small was released by Mistral on Jun 10 2025.
o3 was released by OpenAI on Apr 16 2025.
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