Microsoft rolled out Claude Code on Claude Fable 5.1 to 10,000 engineers:

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Microsoft rolled out Claude Code on Claude Fable 5.1 to 10,000 engineers: Adopters merged 23.8% more pull requests Production data across tens of thousands of active developers, sustained over four months (arXiv:2607.01418) Yet most teams building autonomous agents hit the exact same wall: By turn 15, the model contradicts earlier architecture By turn 25, it hallucinates imports and burns tokens re-reading static code By turn 35, context rot sets in and the API invoice quadruples The mistake is treating the context window like an SSD instead of volatile GPU RAM Dumping raw repositories i

Posted by marfin (3.5k followers) 9 h ago · 15 likes · 476 views · view the original post on X. Kept by the Dev Radar as AI dev tools.

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