GPT-6.1 Terra Surfaces in Microsoft Pull Request

A yet-unreleased GPT-6.1 Terra appeared in a Microsoft pull request, with 18 benchmark configurations updated from GPT-5.6 Terra and judgemodel fields set to gpt-6.1-terra, suggesting an imminent OpenAI model launch amid a wave of competing model rumors.

2026-10-19 ~ 2026-10-20 · 3 related posts

• Microsoft PR leaks GPT-6.1 Terra with 18 updated eval configs — Angaisb_ · 2026-10-19
• Unannounced GPT-6.1 Terra surfaces in a Microsoft pull request updating 18 eval configs — 141_1337 · 2026-10-19
• GPT-6.1 Terra Spotted in Microsoft Evaluation Update, Unconfirmed — ryanmerket · 2026-10-20