GPT-6 Astra Pro/Ultra review: first LLM to nail one-shot prompts nearly every time

rschu · x · 2026-09-09

After using GPT-6 Astra Pro/Ultra on several complex tasks, rschu says it's the first LLM that correctly understands and executes one-shot prompts almost every time, crediting part of that to the Desktop harness and testing capabilities. He concludes it deserves the hype — but pushes back on AGI claims: "AGI, c'mon."

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