Gemini 1.5 Flash-8B vs GPT-5.4 nano
Google Gemini 1.5 Flash-8B | OpenAI GPT-5.4 nano | |
|---|---|---|
| Overview | ||
| Company | OpenAI | |
| Release date | Oct 3 2024 | Mar 17 2026 |
| 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. | — | 14% |
| Timeline | ||
| Release gap | Gemini 1.5 Flash-8B shipped 530 days before GPT-5.4 nano | |
Which is better: Gemini 1.5 Flash-8B or GPT-5.4 nano?
Gemini 1.5 Flash-8B and GPT-5.4 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Flash-8B shipped 530 days before GPT-5.4 nano, 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 — Gemini 1.5 Flash-8B and GPT-5.4 nano don't publish scores on any of the same benchmarks.
Frequently asked questions
Gemini 1.5 Flash-8B was released by Google on Oct 3 2024.
GPT-5.4 nano was released by OpenAI on Mar 17 2026.
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