GPT 6.1 Sol is an OpenAI GPT-6 model positioned between GPT-6 Astra and GPT-6 Luna. It combines near-Astra capabilities with lower API costs, supporting agentic coding, computer use, professional workflows, and a 1,050,000-token context window.
| Option / usage | Provider list price | Our reference price |
|---|---|---|
| Short context · Input | $2 | $0.56 |
| Short context · Cache read | $0.1 | $0.028 |
| Short context · Output | $10 | $2.8 |
| Short context · Cache write | $2.5 | $0.7 |
| Long context · Input | $4 | $1.12 |
| Long context · Cache read | $0.2 | $0.056 |
| Long context · Output | $15 | $4.2 |
| Long context · Cache write | $5 | $1.4 |
Standard API; short/long context as defined by the provider
Trials are not enabled on this page. Paid use follows the confirmed billing quote.
Provider pricing source · 2026-10-03
