Gemini 2.0 Flash vs o3
Google Gemini 2.0 Flash | OpenAI o3 | |
|---|---|---|
| Overview | ||
| Company | OpenAI | |
| Release date | Jan 30 2025 | Apr 16 2025 |
| Access | Proprietary | Proprietary |
| 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. | 15% | 26%Best |
| Timeline | ||
| Release gap | Gemini 2.0 Flash shipped 76 days before o3 | |
Which is better: Gemini 2.0 Flash or o3?
o3 leads Gemini 2.0 Flash on 1 of the 1 benchmark they both report (BullshitBench v2). Gemini 2.0 Flash shipped 76 days before o3, 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.
On BullshitBench v2, o3 leads at 26% vs Gemini 2.0 Flash at 15%.
Frequently asked questions
Gemini 2.0 Flash was released by Google on Jan 30 2025.
o3 was released by OpenAI on Apr 16 2025.
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