Mistral Small 4 vs gpt-oss-120b
Mistral Mistral Small 4 | OpenAI gpt-oss-120b | |
|---|---|---|
| Overview | ||
| Company | Mistral | OpenAI |
| Release date | Mar 16 2026 | 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 | gpt-oss-120b shipped 223 days before Mistral Small 4 | |
Which is better: Mistral Small 4 or gpt-oss-120b?
Mistral Small 4 and gpt-oss-120b don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. gpt-oss-120b shipped 223 days before Mistral Small 4, so benchmark comparisons should account for the intervening progress.
Mistral Small 4 is proprietary, while gpt-oss-120b is open weight.
Direct benchmark comparisons are unavailable — Mistral Small 4 and gpt-oss-120b don't publish scores on any of the same benchmarks.
Frequently asked questions
Mistral Small 4 was released by Mistral on Mar 16 2026.
gpt-oss-120b was released by OpenAI on Aug 5 2025.
Mistral Small 4 is a proprietary model released by Mistral. gpt-oss-120b is an open weight model released by OpenAI.
Other comparisons
Mistral Small 4 vs Claude Sonnet 5gpt-oss-120b vs Claude Sonnet 5Mistral Small 4 vs Gemini Omnigpt-oss-120b vs Gemini OmniMistral Small 4 vs Muse Spark 1.1gpt-oss-120b vs Muse Spark 1.1Mistral Small 4 vs Grok 4.5gpt-oss-120b vs Grok 4.5Mistral Small 4 vs DeepSeek-V4-Progpt-oss-120b vs DeepSeek-V4-ProMistral Small 4 vs Kimi K2.7 Codegpt-oss-120b vs Kimi K2.7 Code