Which plans include GPT-6.1 Terra?
Plus, Pro, Business, Enterprise and Edu, in ChatGPT Work and Codex, according to OpenAI's October 26, 2026 changelog entry.
OpenAI · GPT-6.1 · Available
GPT-6.1 Terra
GPT-6.1 Terra is an OpenAI model that became available in ChatGPT Work and Codex on October 26, 2026, on the Plus, Pro, Business, Enterprise and Edu plans. OpenAI describes it as a fast, efficient model for professional work that combines image understanding with computer use. It is not available in Chat, and in Codex it requires CLI 0.159.0 or later.
· 2 days ago
GPT-6.1 Terra specs
| Released | Oct 26, 2026 |
|---|---|
| Status | Available |
| Plans | Plus, Pro, Business, Enterprise, Edu |
Where you can use GPT-6.1 Terra
ChatGPT
Choose it from the model list in Advanced in the ChatGPT desktop app or ChatGPT Work on the web.
ChatGPT
ChatGPT Work also supports Terra on mobile.
Codex
Requires Codex CLI 0.159.0 or later; select it with `codex -m gpt-6.1-terra`.
- GPT-6.1 Terra is not available in Chat, only in ChatGPT Work and Codex.
- It does not support UAE inference residency.
- Enterprise access also depends on workspace availability and administrator controls.
- Its launch did not change overall Work and Codex plan limits.
GPT-6.1 Terra FAQ
How do I use GPT-6.1 Terra in Codex?
Install Codex CLI 0.159.0 or later and run `codex -m gpt-6.1-terra`. In an interactive session you can also switch models with `/model`.
Is GPT-6.1 Terra available in ChatGPT Chat?
No. OpenAI's pricing page says it is available in Work and Codex but not in Chat.
How do I pick GPT-6.1 Terra in ChatGPT?
Open Advanced in the ChatGPT desktop app or ChatGPT Work on the web and choose it from the model list. ChatGPT Work also supports Terra on mobile.
Other OpenAI models
Sources
- OpenAI: ChatGPT & Codex changelogread 2026-10-29
- OpenAI: Modelsread 2026-10-29
- OpenAI: Pricingread 2026-10-29