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The AI Daily Brief · Sunday, September 13, 2026

New AI Model GPT-6 Astra Shows "Smartest and Dumbest" Capabilities, Users Report

Users of the new GPT-6 Astra AI model are reporting a mixed experience, describing it as both "unbelievably more advanced" and exhibiting "spikes of stupidity." Some users, like Francisco, have reverted to older models due to perceived regressions and "mood swings" in Astra's output, while others, such as Zach from OpenCog, noted doubled effective spend and downsides impacting their team's workflow.

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The tape

2 quotes
“GPT-6 Astra might be the smartest and dumbest model I've ever worked with. I can't deal with its mood swings, especially the absurd shortcuts it takes to arrive at something technically working.”
“A portion of our team has gone back to Soul. Astra is good and can do some novel things, but it has some downsides. And so far, our effective spend looks doubled, tough to justify.”
Heard on The AI Daily Brief — “10 Ways to Think Bigger with Opportunity AI”, published Sunday, September 13, 2026. Heardvine summarizes and quotes with attribution and timestamps, and links to the original everywhere.
Transcribed via Gemini audio transcription · $0.04
New AI Model GPT-6 Astra Shows "Smartest and Dumbest" Capabilities, Users Report — Heardvine