OpenAI introduced GPT-6.1 Terra as a model for visual reasoning, computer use, writing and coding. The announcement says it is available to Plus, Pro, Enterprise and Edu users in ChatGPT Work and Codex, and through the OpenAI API as gpt-6.1-terra. It lists standard API prices of $1 per million input tokens, $0.05 per million cached input tokens and $5 per million output tokens. Availability and prices are reported as announced on October 26. This entry omits comparative benchmark and speed claims. The publication date is verified against OpenAI’s official news index, which dates the release October 26, 2026.
Source: OpenAI — https://openai.com/index/introducing-gpt-6-1-terra/ Original publication date: October 26, 2026. Stored at 00:00 UTC as a calendar-date representation, not a verified publication time. Checked October 27, 2026.