GPT-6.1 Sol
Near-Astra intelligence at a fifth of the price, which is OpenAI's own line and, for once, the index agrees.
Key facts
- Score
- 82 / 100, rank #5
- Price
- $2 in · $10 out per 1M tokens (OpenAI API pricing)
- Blended price
- $4 per 1M tokens (3 input : 1 output)
- Context window
- 1M
- Open weights
- No
- Released
- Sep 29, 2026
- Best for
- OpenAI-standardised teams, Agents API and Decisions API, Cost-controlled reasoning
GPT-6.1 Sol costs $2 per million input tokens and $10 per million output tokens on OpenAI's list price (OpenAI API pricing, read Oct 10, 2026).
Independent evals
| Benchmark | Result | Who ran it | Read |
|---|---|---|---|
| Artificial Analysis Intelligence Index (max) | 52 | Artificial Analysis LLM leaderboard | Oct 9, 2026 |
| Humanity's Sixth Sense (Scale) | 46.6 | Scale SEAL leaderboards | Oct 9, 2026 |
- Artificial Analysis blended price (max): $0.72 per 1M (Artificial Analysis LLM leaderboard)
What practitioners say
The launch thread's title did the arguing: 'near-Astra for a fifth of the price' drew 955 comments, most of them about routing.
Questions people ask
How much does GPT-6.1 Sol cost?
GPT-6.1 Sol costs $2 per million input tokens and $10 per million output tokens on OpenAI's list price (OpenAI API pricing, read Oct 10, 2026).
How good is GPT-6.1 Sol?
GPT-6.1 Sol ranks #5 of 12 on the Models at Work leaderboard with a score of 82 out of 100 (October 2026 edition). Near-Astra intelligence at a fifth of the price, which is OpenAI's own line and, for once, the index agrees.
What is GPT-6.1 Sol best for?
GPT-6.1 Sol is best for openai-standardised teams, agents api and decisions api, cost-controlled reasoning.
What are GPT-6.1 Sol's benchmark scores?
Artificial Analysis Intelligence Index (max): 52 (Artificial Analysis LLM leaderboard); Humanity's Sixth Sense (Scale): 46.6 (Scale SEAL leaderboards).
What is GPT-6.1 Sol's context window?
GPT-6.1 Sol has a 1M token context window according to OpenAI.
Is GPT-6.1 Sol open weights?
No. GPT-6.1 Sol is a proprietary model available through OpenAI's API and partner clouds.
Compare GPT-6.1 Sol
- GPT-6.1 Sol vs Claude Opus 5.5
- GPT-6.1 Sol vs GPT-6 Astra
- GPT-6.1 Sol vs Gemini 4 Argon
- GPT-6.1 Sol vs Claude Sonnet 5.5
- GPT-6.1 Sol vs Claude Fable 5.1
- GPT-6.1 Sol vs Claude Haiku 5.5
- GPT-6.1 Sol vs Muse Spark 1.3
- GPT-6.1 Sol vs DeepSeek Flash (4.1)
- GPT-6.1 Sol vs GPT-6 Luna
- GPT-6.1 Sol vs Kimi K3
- GPT-6.1 Sol vs Grok 4.7
Methodology: Score is 0 to 100: 50% independent evals normalised within this table, 20% price-performance, 15% practitioner sentiment from Signals and community threads, 15% operational fit (context, speed, availability, open weights). Models within three points are a tie in practice. Vendor-published figures are labelled as such and never counted as independent. Our coverage: read the article.