OpenAI researcher: GPT-6 Extra High writes at GPT-5.6 Medium speed while beating 5.6 Extra High

isafulf · x · 2026-10-08

An OpenAI researcher shares the team's goal of pushing the Pareto frontier of perceived latency and utility: an internal graph shows GPT-6 Extra High begins writing answers at GPT-5.6 Medium's speed while outperforming GPT-5.6 Extra High on an internal consumer agentic eval.

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