GPT-6 Astra Fast Mode Speed Boosted to 2x — Alex Getman

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Alex Getman @alexgetmancom · 6 Sep 2026, 13:14 UTC · Updated 31 Oct 2026, 20:59 UTC

Prices & limits

GPT-6 Astra Fast mode quietly went from 1.5x to 2x speed, with the same 2.5x usage multiplier.

It’s still pretty expensive though. A task that would count as 1,000 usage units on Standard would count as 2,500 on Fast, so that’s still 150% more usage.

*My previous post was deleted because I got the math wrong. I misled some of you, and I’m sorry about that.

Screenshot of a JSON file change: the 'Fast' mode description updated from '1.5x speed, increased usage' to '2x speed, increased usage'.

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