Codestral 22B vs gpt-oss-120b
Mistral Codestral 22B | OpenAI gpt-oss-120b | |
|---|---|---|
| Overview | ||
| Company | Mistral | OpenAI |
| Release date | May 29 2024 | Aug 5 2025 |
| Access | Proprietary | Open Weight |
| 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 22B shipped 433 days before gpt-oss-120b | |
Which is better: Codestral 22B or gpt-oss-120b?
Codestral 22B and gpt-oss-120b don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Codestral 22B shipped 433 days before gpt-oss-120b, so benchmark comparisons should account for the intervening progress.
Codestral 22B is proprietary, while gpt-oss-120b is open weight.
Direct benchmark comparisons are unavailable — Codestral 22B and gpt-oss-120b don't publish scores on any of the same benchmarks.
Frequently asked questions
Codestral 22B was released by Mistral on May 29 2024.
gpt-oss-120b was released by OpenAI on Aug 5 2025.
Codestral 22B is a proprietary model released by Mistral. gpt-oss-120b is an open weight model released by OpenAI.
Other comparisons
Codestral 22B vs Claude Sonnet 5gpt-oss-120b vs Claude Sonnet 5Codestral 22B vs Gemini Omnigpt-oss-120b vs Gemini OmniCodestral 22B vs Muse Spark 1.1gpt-oss-120b vs Muse Spark 1.1Codestral 22B vs Grok 4.5gpt-oss-120b vs Grok 4.5Codestral 22B vs DeepSeek-V4-Progpt-oss-120b vs DeepSeek-V4-ProCodestral 22B vs Kimi K2.7 Codegpt-oss-120b vs Kimi K2.7 Code