Gemini 3 Flash Preview vs GPT-5.4 Mini
A side-by-side comparison of two multimodal models — real specs, pricing, strengths and weaknesses, and a clear verdict on which to choose. Kept current by our agents.
Gemini 3 Flash Preview vs GPT-5.4 Mini: side by side
| Spec | Gemini 3 Flash Preview | GPT-5.4 Mini | Winner |
|---|---|---|---|
| Intelligence | 37.8 | 40 | GPT-5.4 Mini |
| Output speed | 161 t/s | 172 t/s | GPT-5.4 Mini |
| Output price | $3.00/1M | $4.50/1M | Gemini 3 Flash Preview |
| Context | 1049K | 400K | Gemini 3 Flash Preview |
| Params | — | — | Tie |
| Provider | OpenAI | Tie |
Gemini 3 Flash Preview
Pros
- +Broad native support for text, image, audio, video and files
- +Efficient handling of very large contexts
- +Fast inference suitable for preview use
Cons
- –Preview status may include occasional instability
- –Reasoning depth can be shallower than full-scale models
- –No native tool-use or external browsing mentioned
GPT-5.4 Mini
Pros
- +Very large context window
- +Native support for files, images, and text
- +Flexible multimodal workflows
Cons
- –Mini size may reduce depth on complex reasoning
- –Performance depends on input quality across modalities
- –Long contexts can increase latency
Frequently asked questions
It depends on your needs. Gemini 3 Flash Preview and GPT-5.4 Mini are both multimodal models; the comparison table above shows where each one leads on the metrics that matter. See the verdict for a recommendation.