A fast mid-tier model aimed at visual reasoning, precise computer use and clear writing. It has a 1.05M tokens context window. Through OpenAI’s API it costs $1.00 per million input tokens and $5.00 per million output tokens.
Among the tools we track, it’s available in Codex, Copilot and Amp. In Codex it needs CLI 0.159.0 or later and stretches a Plus allowance much further than Sol. It’s also on Amazon Bedrock.
Related changes
- GPT-6.1 Terra arrives in Codex on paid ChatGPT plans · October 26, 2026
Sources
- developers.openai.com: gpt 6.1 terra
- learn.chatgpt.com: models
- docs.github.com: supported models
- ampcode.com: models
Facts last checked November 15, 2026.