Kimi Linear vs gpt-oss-120b
Moonshot AI Kimi Linear | OpenAI gpt-oss-120b | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | OpenAI |
| Release date | Oct 2025 | Aug 5 2025 |
| Access | Open Weight | Open Weight |
| Specifications | ||
Parameters | 48B | — |
| 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 57 days before Kimi Linear | |
Which is better: Kimi Linear or gpt-oss-120b?
Kimi Linear 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 57 days before Kimi Linear, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — Kimi Linear and gpt-oss-120b don't publish scores on any of the same benchmarks.
Frequently asked questions
Kimi Linear was released by Moonshot AI on Oct 2025.
gpt-oss-120b was released by OpenAI on Aug 5 2025.
Other comparisons
Kimi Linear vs Claude Sonnet 5gpt-oss-120b vs Claude Sonnet 5Kimi Linear vs Gemini Omnigpt-oss-120b vs Gemini OmniKimi Linear vs Muse Spark 1.1gpt-oss-120b vs Muse Spark 1.1Kimi Linear vs Grok 4.5gpt-oss-120b vs Grok 4.5Kimi Linear vs DeepSeek-V4-Progpt-oss-120b vs DeepSeek-V4-ProKimi Linear vs Mistral Medium 3.5gpt-oss-120b vs Mistral Medium 3.5