CLAUDE LABJP
COST — v2.1.239 folds the 1.1x US-only-inference premium for data-residency workspaces into /cost, the status line, and max-budget-usd estimatesBUDGET — Until now those workspaces saw estimates that ran below the real invoice. If you set a spend cap, it is worth reconciling this month's bill against your /cost historyFIXES — v2.1.240 is a fixes-and-reliability release, continuing recent work on MCP v2 connections, notification hooks, idle sessions on Linux, and Windows path validationACADEMY — Claude Academy is now open: a learning hub for safe, effective AI use, with courses, tutorials, badges, and personalized recommendationsPLATFORM — The computer use tool, browser use tool, Skills API, and Files API are now available on the Claude Platform, opening a path to move skill workflows off your local machinePRICING — Claude Sonnet 5's introductory $2 per million input and $10 output ends August 31, with standard $3 and $15 pricing from September 1. Eight days to goCOST — v2.1.239 folds the 1.1x US-only-inference premium for data-residency workspaces into /cost, the status line, and max-budget-usd estimatesBUDGET — Until now those workspaces saw estimates that ran below the real invoice. If you set a spend cap, it is worth reconciling this month's bill against your /cost historyFIXES — v2.1.240 is a fixes-and-reliability release, continuing recent work on MCP v2 connections, notification hooks, idle sessions on Linux, and Windows path validationACADEMY — Claude Academy is now open: a learning hub for safe, effective AI use, with courses, tutorials, badges, and personalized recommendationsPLATFORM — The computer use tool, browser use tool, Skills API, and Files API are now available on the Claude Platform, opening a path to move skill workflows off your local machinePRICING — Claude Sonnet 5's introductory $2 per million input and $10 output ends August 31, with standard $3 and $15 pricing from September 1. Eight days to go
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API & SDK/2026-08-23Beginner

The September Price Increase for Sonnet 5 Isn't Happening. Rebuilding a Forecast I Got Wrong in July

Sonnet 5's introductory $2/$10 pricing was supposed to rise to $3/$15 on September 1. It won't. Here's how to recompute your own effective cost from the usage numbers you already have, with working code.