Pyyan / Compare / GPT-6 Astra vs Gemini 3.1 Pro
GPT-6 Astra vs Gemini 3.1 Pro
2 of 5Language Models · verified 5 Sept 2026
GPT-6 AstraOpenAIcurrentGemini 3.1 ProGooglecurrent
| Specification | GPT-6 Astra | Gemini 3.1 Pro |
|---|---|---|
| Summary | Saturates three of the benchmarks it reports, and ships disabled for enterprise. | Best for very large multimodal context. |
| Context | 1.05M | 1M |
| Input ($/Mtok) | $10 | — |
| Output ($/Mtok) | $50 | — |
| Licence | Proprietary | Proprietary |
| Max output | 128K | — |
| Parameters | Not published | — |
| Released | 3 Sep 2026 | — |
| Model ID | gpt-6-astra | — |
| Category | Language Models | Language Models |
| Official | — | Google ↗ |
Highlighted rows are where these differ.
GPT-6 Astra
- 97.6% on FrontierMath Tier 4, 99.9% on ARC-AGI-3 and 100% on ExploitBench
- Above 272K input tokens the whole request reprices: input and cache at 2x, output at 1.5x
- Rolls out to OpenAI's Daybreak cyber programme first, and arrives switched off for enterprise
Best for hard reasoning and computer use.
Gemini 3.1 Pro
- Reads an hour of video in one pass
- Strongest multimodal grounding
Best for long documents.