Gemini 2.5 Flash vs GPT-5 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 2.5 Flash vs GPT-5 Mini: side by side
| Spec | Gemini 2.5 Flash | GPT-5 Mini | Winner |
|---|---|---|---|
| Intelligence | 14.1 | 30.9 | GPT-5 Mini |
| Output speed | 201 t/s | 92 t/s | Gemini 2.5 Flash |
| Output price | $2.50/1M | $2.00/1M | GPT-5 Mini |
| Context | 1049K | 400K | Gemini 2.5 Flash |
| Params | — | — | Tie |
| Provider | OpenAI | Tie |
Gemini 2.5 Flash
Pros
- +Broad native support for multiple input modalities
- +Efficient handling of very large contexts
- +Strong balance of speed and capability
Cons
- –Lower peak performance than larger Gemini variants on complex tasks
- –Speed optimizations may reduce depth on nuanced reasoning
- –Practical limits on full 1M-token context utilization
GPT-5 Mini
Pros
- +Handles very large contexts efficiently
- +Integrates text, image, and file inputs
- +Suitable for complex multi-turn tasks
Cons
- –Reduced depth on highly complex reasoning vs full-size models
- –Performance depends on input clarity across modalities
- –May require careful prompting for nuanced outputs
Frequently asked questions
It depends on your needs. Gemini 2.5 Flash and GPT-5 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.