Matthew Bellerman Tests GPT-6 Astra Early: 'The Best Model I've Ever Used, Period'

every · x · 2026-09-04

AI YouTuber Matthew Berman says he got early access to GPT-6 Astra and stress-tested it across games, code, writing, browser control, presentations, and general knowledge work. His verdict: "the best model I've ever used. Period" — a massive, non-incremental improvement, with demos in his thread. Every's accompanying Vibe Check offers a more balanced take: excellent writing, software operation, and visual design, but Anthropic's Fable still shows better product-building instincts.

Related event: Matthew Berman's Hands-On: GPT-6 Astra Is the Best Model He's Used(6 posts)→

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