First Hands-On: GPT 6.1 Terra Is Blazing Fast but Below Opus Tier

chongdashu · x · 2026-10-28

Developer chongdashu shared early coding impressions of GPT 6.1 Terra: an interesting model, clearly below the Sol / Astra / Opus tier in capability, but remarkably fast — he often alt-tabbed to another session only to find the task already done. A fuller benchmark is promised to follow.

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