Model comparison
Gemini 2.5 Flash vs GPT-5.4
Gemini 2.5 Flash
Cheap multimodal at million-token scale.
OpenAI
GPT-5.4
OpenAI's flagship - broadest modality and ecosystem coverage.
Specs
| Metric | Gemini 2.5 Flash | GPT-5.4 |
|---|---|---|
| Context window | 1.0M tokens | 1.1M tokens↑ |
| Input $/1M tokens | $0.300↑ | $2.50 |
| Output $/1M tokens | $2.50↑ | $15.00 |
| Modalities | File · Image · Text · Audio · Video | Text · Image · File |
| Open weights | No | No |
| Released | - | Mar 2026 |
Key differences
- -Gemini 2.5 Flash offers 1.0M context; GPT-5.4 offers 1.1M.
- -Input pricing: Gemini 2.5 Flash at $0.300/1M vs GPT-5.4 at $2.50/1M.