DeepSeek V2.5 (Revised) vs gpt-oss-120b
DeepSeek DeepSeek V2.5 (Revised) | OpenAI gpt-oss-120b | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Dec 2024 | 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 | DeepSeek V2.5 (Revised) shipped 247 days before gpt-oss-120b | |
Which is better: DeepSeek V2.5 (Revised) or gpt-oss-120b?
DeepSeek V2.5 (Revised) and gpt-oss-120b don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V2.5 (Revised) shipped 247 days before gpt-oss-120b, 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 V2.5 (Revised) and gpt-oss-120b don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek V2.5 (Revised) was released by DeepSeek on Dec 2024.
gpt-oss-120b was released by OpenAI on Aug 5 2025.
Other comparisons
DeepSeek V2.5 (Revised) vs Claude Sonnet 5gpt-oss-120b vs Claude Sonnet 5DeepSeek V2.5 (Revised) vs Gemini Omnigpt-oss-120b vs Gemini OmniDeepSeek V2.5 (Revised) vs Muse Spark 1.1gpt-oss-120b vs Muse Spark 1.1DeepSeek V2.5 (Revised) vs Grok 4.5gpt-oss-120b vs Grok 4.5DeepSeek V2.5 (Revised) vs Mistral Medium 3.5gpt-oss-120b vs Mistral Medium 3.5DeepSeek V2.5 (Revised) vs Kimi K2.7 Codegpt-oss-120b vs Kimi K2.7 Code