Pyyan / Compare / GPT-5.5 vs Gemini 3.1 Pro
GPT-5.5 vs Gemini 3.1 Pro
2 of 5Language Models · verified 13 Aug 2026
GPT-5.5OpenAIcurrentGemini 3.1 ProGooglecurrent
| Specification | GPT-5.5 | Gemini 3.1 Pro |
|---|---|---|
| Summary | Previous flagship, launched April 2026. | Best for very large multimodal context. |
| Context | — | 1M |
| Input ($/Mtok) | $5 | — |
| Output ($/Mtok) | $30 | — |
| Licence | Proprietary | Proprietary |
| Released | 24 Apr 2026 | — |
| Category | Language Models | Language Models |
| Official | OpenAI ↗ | Google ↗ |
Highlighted rows are where these differ.
Gemini 3.1 Pro
- Reads an hour of video in one pass
- Strongest multimodal grounding
Best for long documents.