Model
GPT-6.1 Sol.
Power
££
API cost
by OpenAI · released 29 September 2026
In plain English
OpenAI's main business model, with strong performance at a fifth of Astra's price.
Good for
Coding, multi-step professional work, computer use and agents.
Things to be aware of
Try it on your own real work before paying for Astra. Astra costs five times as much, and Sol may well do the job.
What OpenAI says
““Near-Astra intelligence for a fifth of the price.””
What everyone else says
Artificial Analysis updates its comparison as models and settings change. A frozen rank will go stale, and reasoning settings change both the result and the cost. See the comparison tool
- Context window
- 1.1M tokens
- Knows up to
- April 2026
- Run it yourself
- No, online only
- API price
- $2 in / $10 out
- per million tokens