Claude Sonnet 5 · $2/$10 made permanent — from issue No. 006nofeed.dev
Issue No. 006 · 11 August 2026
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Claude Sonnet 5 · $2/$10 made permanent

Anthropic's Sonnet 5 launch post was edited 10 Aug: introductory API pricing of $2 per million input tokens and $10 per million output stays. The $3/$15 step that was due 1 Sept is cancelled.7 Budget the locked rate. The platform pricing docs still show the old two-row table with an August 31 cutoff — treat the dated edit on the news page as the primary until docs catch up.8

MATTERS TO · anyone whose agents default to Sonnet 5 and who had a 50% step-up in the September forecast
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