GPT-6.1 Terra (gpt-6.1-terra) is now available in the creative authoring picker as the everyday successor to GPT-5.6 Terra. GPT-5.6 Terra stays available.
GPT-6.1 Terra
- A fast, lower-cost sibling of GPT-6.1 Sol with strong everyday reasoning.
- Priced at $1 / 1M input tokens and $5 / 1M output tokens, with cached input at $0.05 / 1M tokens.
- Supports a 1,050,000-token context window, up to 128,000 output tokens, and text and image input.
A request with more than 272,000 input tokens bills at 2x input and cache rates and 1.5x output rates for the full request.