OpenAI says major factual errors down 65% and sycophancy down 83% since March

charliermarsh · x · 2026-09-10

OpenAI researcher aidanmclau recapped quality gains since March: responses with major factual errors are down 65%, instant-tier gpt-5.6 now outperforms o3 at high reasoning effort, and overall sycophancy is down 83%.

The post quotes OpenAI exec michpokrass on serving 1B+ weekly ChatGPT users, most on the free tier: the mission is to distribute AGI's benefits as widely as safely feasible, and the past 6 months focused on bringing maximum capability to both free and paying users.

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