Mixtral 8×7B vs o3
Mistral Mixtral 8×7B | OpenAI o3 | |
|---|---|---|
| Overview | ||
| Company | Mistral | OpenAI |
| Release date | Dec 8 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 | Mixtral 8×7B shipped 495 days before o3 | |
Which is better: Mixtral 8×7B or o3?
Mixtral 8×7B and o3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mixtral 8×7B shipped 495 days before o3, so benchmark comparisons should account for the intervening progress.
Mixtral 8×7B is open weight, while o3 is proprietary.
Direct benchmark comparisons are unavailable — Mixtral 8×7B and o3 don't publish scores on any of the same benchmarks.
Frequently asked questions
Mixtral 8×7B was released by Mistral on Dec 8 2023.
o3 was released by OpenAI on Apr 16 2025.
Mixtral 8×7B is an open weight model released by Mistral. o3 is a proprietary model released by OpenAI.