Emm Tee(@builtbysketch):I compared 2.5bn tokens of GPT-6 Astra vs Claude Fable 5.1 on real work. Astra runs about 45% cheaper per hour. But with some interesting caveats and some levelling out when you add opus agents in the mix Like if you want a full article / data breakdown 👇

Emm Tee

@builtbysketch

Follow for how to build ai era startups and products. Fun thing : Main thing @devclocked. Prev: agency (exit) + £MM recommerce

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Emm Tee@builtbysketch

2026.09.18 11:15

I compared 2.5bn tokens of GPT-6 Astra vs Claude Fable 5.1 on real work. Astra runs about 45% cheaper per hour. But with some interesting caveats and some levelling out when you add opus agents in the mix Like if you want a full article / data breakdown 👇