Plus user: Astra Extra High used the 5-hour limit in two prompts

Jamie Birch @birch_jsOriginally posted 2026.09.05

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I got 21m04s of work (two completed prompts, plus one interrupted prompt) out of GPT-6 Astra Extra High before it blew through my entire 5 hour usage limit on ChatGPT Plus (25% of my weekly usage). It's clearly a very capable model, but it's rather extravagant on the Plus tier