Mistral 7B vs o3
Mistral Mistral 7B | OpenAI o3 | |
|---|---|---|
| Overview | ||
| Company | Mistral | OpenAI |
| Release date | Sep 27 2023 | Apr 16 2025 |
| Access | Open Weight | 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 | Mistral 7B shipped 567 days before o3 | |
Which is better: Mistral 7B or o3?
Mistral 7B and o3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral 7B shipped 567 days before o3, so benchmark comparisons should account for the intervening progress.
Mistral 7B is open weight, while o3 is proprietary.
Direct benchmark comparisons are unavailable — Mistral 7B and o3 don't publish scores on any of the same benchmarks.
Frequently asked questions
Mistral 7B was released by Mistral on Sep 27 2023.
o3 was released by OpenAI on Apr 16 2025.
Mistral 7B is an open weight model released by Mistral. o3 is a proprietary model released by OpenAI.