gpt-6.1-solUse GPT-6.1 Sol for complex coding, computer use, and professional work.
reasoning.effort supports low, medium (default), high, xhigh, and
max.
Tool calling requires the Responses API.
See the GPT-6 guide for prompting and migration guidance.
Cached input tokens are priced at 5% of the uncached input token rate.
Cache writes are billed at 1.25x the uncached input token rate.
API prompts with more than 272K input tokens are priced at 2x input and cache rates and 1.5x output for the full request.
Fast mode prices are 2x Standard. Batch and Flex prices are 50% lower than Standard.
Ultrafast mode prices are 6x Standard.
Regional processing adds a 10% premium where available.
GPT-6.1 Sol uses a default context window of 500K tokens in Codex and ChatGPT Work. Usage drawn from your subscription has no long-context surcharge. See Codex pricing.
Model IDs across cloud providers.
| Provider | Model ID |
|---|---|
| Amazon Bedrock | |
| Google Cloud Private preview |
| Tier | RPM | TPM |
|---|---|---|
| Free | Not supported | |
| Build | 5,000 | 1,000,000 |
| Launch | 10,000 | 4,000,000 |
| Grow | 15,000 | 40,000,000 |
