Model comparison
GPT-5.4 vs Gemini 2.5 Pro
OpenAI
GPT-5.4
OpenAI's flagship — broadest modality and ecosystem coverage.
Gemini 2.5 Pro
Google's bet on massive context and native multimodality.
Specs
| Metric | GPT-5.4 | Gemini 2.5 Pro |
|---|---|---|
| Context window | 1.1M tokens↑ | 1.0M tokens |
| Input $/1M tokens | $2.50 | $1.25↑ |
| Output $/1M tokens | $15.00 | $10.00↑ |
| Modalities | Text · Image · File | Text · Image · File · Audio · Video |
| Open weights | No | No |
Key differences
- —GPT-5.4 offers 1.1M context; Gemini 2.5 Pro offers 1.0M.
- —Input pricing: GPT-5.4 at $2.50/1M vs Gemini 2.5 Pro at $1.25/1M.