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GPT-6.1 Terra.

Simon Willison's WeblogAnalysis or commentary·
Corroborated event · 3 outlets

OpenAI released GPT-6.1 Terra, an upgrade to its middle-tier model, which the company says costs about 50% less and handles computer-use tasks faster.

AI brief

OpenAI introduced GPT-6.1 Terra, described as a fast, efficient model, with the announcement emphasizing visual reasoning and computer use.

Written by AI from Simon Willison's Weblog's published text.

Background

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More coverage of this story (2)

OpenAI releases GPT-6.1 Terra model

OpenAI rolls out budget-priced mid-tier GPT-6.1 Terra
The Register AI + ML · 26 Oct 2026, 23:08
GPT-6.1 Terra halves OpenAI's API prices and still gains ground on its larger models
The Decoder · 26 Oct 2026, 20:30

Primary source

“GPT-6.1 Terra It's always interesting to note which aspects of a new model are emphasized in the release announcement.”
Simon Willison's Weblog, 26 Oct 2026, 23:53.

Interpretation or community commentary rather than straight reporting.

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