Codestral 25.01 vs gpt-oss-120b
Mistral Codestral 25.01 | OpenAI gpt-oss-120b | |
|---|---|---|
| Overview | ||
| Company | Mistral | OpenAI |
| Release date | Jan 13 2025 | Aug 5 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
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. | — | 11% |
| Timeline | ||
| Release gap | Codestral 25.01 shipped 204 days before gpt-oss-120b | |
Which is better: Codestral 25.01 or gpt-oss-120b?
Codestral 25.01 and gpt-oss-120b don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Codestral 25.01 shipped 204 days before gpt-oss-120b, so benchmark comparisons should account for the intervening progress.
Codestral 25.01 is proprietary, while gpt-oss-120b is open weight.
Direct benchmark comparisons are unavailable — Codestral 25.01 and gpt-oss-120b don't publish scores on any of the same benchmarks.
Frequently asked questions
Codestral 25.01 was released by Mistral on Jan 13 2025.
gpt-oss-120b was released by OpenAI on Aug 5 2025.
Codestral 25.01 is a proprietary model released by Mistral. gpt-oss-120b is an open weight model released by OpenAI.
Other comparisons
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