Pyyan / Compare / GPT-5.6 Sol vs Gemini 3.1 Pro
GPT-5.6 Sol vs Gemini 3.1 Pro
2 of 5Language Models · verified 13 Aug 2026
GPT-5.6 SolOpenAIcurrentGemini 3.1 ProGooglecurrent
| Specification | GPT-5.6 Sol | Gemini 3.1 Pro |
|---|---|---|
| Summary | Flagship tier of the GPT-5.6 family. | Best for very large multimodal context. |
| Context | 1M+ | 1M |
| Licence | Proprietary | Proprietary |
| Released | 9 Jul 2026 | — |
| Category | Language Models | Language Models |
| Official | OpenAI ↗ | Google ↗ |
Highlighted rows are where these differ.
GPT-5.6 Sol
- Three tiers: Sol, Terra, Luna
- Adjustable reasoning effort from none to max
- Broad rollout began 9 July 2026
Best for all-round work.
Gemini 3.1 Pro
- Reads an hour of video in one pass
- Strongest multimodal grounding
Best for long documents.