Every's vibe check on GPT-6 Astra: best writing model yet, but falls short of Fable at the top end

danshipper · x · 2026-09-04

Every extensively tested OpenAI's GPT-6 Astra, which OpenAI says "might be AGI." Verdict: a big upgrade from 5.6-Sol and the best writing model the author has tried—fast, low slop, easy to steer—with wild computer-use stamina for hours-long work sessions. But frustrating habits keep it from matching Fable at the top end.

Related event: Every's Hands-On: GPT-6 Astra Is the Best Writing Model but Still Trails Fable(14 posts)→

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