OpenAI's GPT-6.1 Sol offers low-cost, up to 8× speed, 6× price in ultrafast mode
OpenAI’s GPT-6.1 Sol is positioned as a cheaper alternative to GPT-6 Astra for complex tasks. The official pricing lists Sol’s standard rate at $2 per million input tokens and $10 per million output tokens, which is one‑fifth of Astra’s $10/$50 rates. Ultrafast mode for Sol costs $12 per million input and $60 per million output, a six‑fold increase over the standard price.
What you can do with it
AI at Work →Draft quick emails with OpenAI API
What you get You can generate outlines on deadline.
Generates text up to eight times faster, charging six times the standard rate.
- Who for
- marketers
- Cost
- paid from $12 per million input tokens
- Effort
- minutes
Use it for
- Draft quick emails
- Revise content instantly
- Generate outlines on deadline
Watch out Check the details on the maker's page first
Key points from the news
- Sol Standard costs $2 per million input tokens and $10 per million output, a fifth of Astra's rates.
- Ultrafast mode charges $12 per million input and $60 per million output, six times Sol's standard price.
- OpenAI claims up to 8× generation speed for Ultrafast, but actual task speed varies by workload.
OpenAI advertises “up to 8×” generation speed for Ultrafast, but the article stresses that this boost applies only to token generation compared with Astra’s standard mode and does not guarantee faster overall task completion. A hypothetical calculation shows a 10,000‑token input and 2,000‑token output would cost $0.04 with Sol Standard and $0.24 with Ultrafast, a $0.20 difference per run. The piece advises companies to evaluate total cost per usable result, factoring in human correction, tool usage, and urgency, rather than relying solely on token price or speed claims.
Model page: GPT-6 Astra →
The story so far
5 episodes →- OpenAI's GPT-6.1 Sol offers low-cost, up to 8× speed, 6× price in ultrafast modethis story
OpenAI's GPT-6.1 Sol is low-cost. How should companies interpret the 'up to 8x speed, 6x cost' ultra-fast mode?
note.com · 21 October 2026
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