Pyyan / Compare / GPT-6.1 Sol vs GPT-6 Astra
GPT-6.1 Sol vs GPT-6 Astra
2 of 5Language Models · verified 1 Oct 2026
GPT-6.1 SolOpenAIcurrentGPT-6 AstraOpenAIcurrent| Specification | GPT-6.1 Sol | GPT-6 Astra |
|---|---|---|
| Summary | Astra's score on DeepSWE, at a fifth of Astra's cost. | Saturates three of the benchmarks it reports, and ships disabled for enterprise. |
| Context | 1.05M | 1.05M |
| Input ($/Mtok) | $2 | $10 |
| Output ($/Mtok) | $10 | $50 |
| Licence | Proprietary | Proprietary |
| Max output | 128K | 128K |
| Parameters | Not published | Not published |
| Released | 29 Sep 2026 | 3 Sep 2026 |
| Model ID | gpt-6.1-sol | gpt-6-astra |
| Category | Language Models | Language Models |
| Official | OpenAI ↗ | — |
Highlighted rows are where these differ.
GPT-6.1 Sol
- Matches GPT-6 Astra on DeepSWE v1.1 at roughly a fifth of the cost
- $5.47 per Terminal-Bench Science task against $23.80 for Astra
- Above 272K tokens a prompt bills at 2x input and 1.5x output for the whole request
Best for coding and agent work at volume.
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.