Guide
GPT-6.1 Sol pricing, explained with examples
GPT-6.1 Sol's list price is $2 per million input tokens and $10 per million output tokens, with a 1,050,000-token context window. Indicative prices, checked 2026-11-04.
One call: 10,000 tokens in, 2,000 out
| Model | Input cost | Output cost | Total |
|---|---|---|---|
| GPT-6.1 Sol | $0.0200 | $0.0200 | $0.0400 |
| GPT-6 Luna | $0.0010 | $0.0010 | $0.0020 |
A month at volume: 10M tokens in, 2M out
| Model | Input cost | Output cost | Total |
|---|---|---|---|
| GPT-6.1 Sol | $20.0000 | $20.0000 | $40.0000 |
| GPT-6 Luna | $1.0000 | $1.0000 | $2.0000 |
The Luna model is 20× cheaper on both sides and handles most drafting, classification and extraction jobs. Reserve Sol for the calls where quality visibly changes the outcome — and measure that, rather than assuming it.