Ministral 3B vs o3
Mistral Ministral 3B | OpenAI o3 | |
|---|---|---|
| Overview | ||
| Company | Mistral | OpenAI |
| Release date | Oct 2024 | 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 | Ministral 3B shipped 197 days before o3 | |
Which is better: Ministral 3B or o3?
Ministral 3B and o3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Ministral 3B shipped 197 days before o3, so benchmark comparisons should account for the intervening progress.
Ministral 3B is open weight, while o3 is proprietary.
Direct benchmark comparisons are unavailable — Ministral 3B and o3 don't publish scores on any of the same benchmarks.
Frequently asked questions
Ministral 3B was released by Mistral on Oct 2024.
o3 was released by OpenAI on Apr 16 2025.
Ministral 3B is an open weight model released by Mistral. o3 is a proprietary model released by OpenAI.