GPT-6.1 Terra

OpenAI's new mid-tier model, aimed at fast and cheap computer use, launched Oct 26 at half the API price of GPT-6.1 Sol.

Available to Plus, Pro, Enterprise and Edu users in ChatGPT Work and Codex, and in the API as gpt-6.1-terra ($1 per million input tokens, $0.05 cached, $5 output). OpenAI says it is a big step up from GPT-5.6 Terra in visual reasoning, computer use, factual accuracy and coding (50.3% on Terminal-Bench 4.0 at max effort versus 21.5%), finishes computer-use tasks over three times faster than GPT-6.1 Sol and GPT-6 Astra, and beats Sol on Terminal-Bench-Science, though Sol and Astra remain the better choice for the hardest coding. OpenAI rates it at the Critical cybersecurity threshold under its Preparedness Framework. These are OpenAI's own benchmark figures.

Status

Released

Date

Oct 26, 2026 (ChatGPT Work, Codex, API)

Maker

OpenAI

Type

AI model

Price

API $1 / $5 per million input/output tokens

Categories

AI

Sources

• OpenAI
• The Verge

Launch dates can change. Check the sources for the latest. Last reviewed Nov 10, 2026.