Gemini Omni vs gpt-oss-120b
Google Gemini Omni | OpenAI gpt-oss-120b | |
|---|---|---|
| Overview | ||
| Company | OpenAI | |
| Release date | May 19 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 287 days before Gemini Omni | |
Which is better: Gemini Omni or gpt-oss-120b?
Gemini Omni 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 287 days before Gemini Omni, so benchmark comparisons should account for the intervening progress.
Gemini Omni is proprietary, while gpt-oss-120b is open weight.
Direct benchmark comparisons are unavailable — Gemini Omni and gpt-oss-120b don't publish scores on any of the same benchmarks.
Frequently asked questions
Gemini Omni was released by Google on May 19 2026.
gpt-oss-120b was released by OpenAI on Aug 5 2025.
Gemini Omni is a proprietary model released by Google. gpt-oss-120b is an open weight model released by OpenAI.
Other comparisons
Gemini Omni vs Claude Sonnet 5gpt-oss-120b vs Claude Sonnet 5Gemini Omni vs Muse Sparkgpt-oss-120b vs Muse SparkGemini Omni vs Grok 4.3 Betagpt-oss-120b vs Grok 4.3 BetaGemini Omni vs DeepSeek-V4-Progpt-oss-120b vs DeepSeek-V4-ProGemini Omni vs Mistral Medium 3.5gpt-oss-120b vs Mistral Medium 3.5Gemini Omni vs Kimi K2.7 Codegpt-oss-120b vs Kimi K2.7 Code