#LLM cost per task

Tagged LLM cost per task · show all articles

Two itemized API usage receipts lying side by side on a desk, each listing input, cached-input, and output token line items, with a mechanical pencil resting mid-stroke over one receipt's still-blank total cell

Astra's 63%-Cheaper Claim Has to Beat a Price Disadvantage Nobody Mentions

GPT-6 Astra and Claude Fable 5.1 charge the identical $10-in, $50-out price. Astra's cache-read rate is four times more expensive than Fable 5.1's — so the "63% lower cost" OpenAI prints has to beat a real handicap just to win.

By Brecht Corbeel · September 13, 2026 · 18 min read

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