DeepSeek V3.1 Terminus vs gpt-oss-120b
DeepSeek DeepSeek V3.1 Terminus | OpenAI gpt-oss-120b | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Sep 22 2025 | Aug 5 2025 |
| Access | Open Weight | 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 48 days before DeepSeek V3.1 Terminus | |
Which is better: DeepSeek V3.1 Terminus or gpt-oss-120b?
DeepSeek V3.1 Terminus 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 48 days before DeepSeek V3.1 Terminus, 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 — DeepSeek V3.1 Terminus and gpt-oss-120b don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek V3.1 Terminus was released by DeepSeek on Sep 22 2025.
gpt-oss-120b was released by OpenAI on Aug 5 2025.
Other comparisons
DeepSeek V3.1 Terminus vs Claude Sonnet 5gpt-oss-120b vs Claude Sonnet 5DeepSeek V3.1 Terminus vs Gemini Omnigpt-oss-120b vs Gemini OmniDeepSeek V3.1 Terminus vs Muse Spark 1.1gpt-oss-120b vs Muse Spark 1.1DeepSeek V3.1 Terminus vs Grok 4.5gpt-oss-120b vs Grok 4.5DeepSeek V3.1 Terminus vs Mistral Medium 3.5gpt-oss-120b vs Mistral Medium 3.5DeepSeek V3.1 Terminus vs Kimi K2.7 Codegpt-oss-120b vs Kimi K2.7 Code