Gemini 3.1 Flash-Lite vs GPT-5.4 mini
Google Gemini 3.1 Flash-Lite | OpenAI GPT-5.4 mini | |
|---|---|---|
| Overview | ||
| Company | OpenAI | |
| Release date | Mar 3 2026 | Mar 17 2026 |
| Access | Proprietary | Proprietary |
| Specifications | ||
Context window | — | 400k |
| 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% | 32%Best |
| Timeline | ||
| Release gap | Gemini 3.1 Flash-Lite shipped 14 days before GPT-5.4 mini | |
Which is better: Gemini 3.1 Flash-Lite or GPT-5.4 mini?
GPT-5.4 mini leads Gemini 3.1 Flash-Lite on 1 of the 1 benchmark they both report (BullshitBench v2). Gemini 3.1 Flash-Lite shipped 14 days before GPT-5.4 mini, 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, GPT-5.4 mini leads at 32% vs Gemini 3.1 Flash-Lite at 11%.
Frequently asked questions
Gemini 3.1 Flash-Lite was released by Google on Mar 3 2026.
GPT-5.4 mini was released by OpenAI on Mar 17 2026.
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