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Anthropic admits it dumbed down Claude when trying to make it smarter

The Register · Thomas Claburn · last updated

System changes and bugs overlapped to create the impression of general decline

Claude users who complained about the AI service producing lower-quality responses over the past month weren’t imagining it.

Anthropic on Thursday published the results of a company investigation that found three distinct changes in March and April made things worse for customers using Claude Code, the Claude Agent SDK, and Claude Cowork.

Claude’s API, the company says, was not affected.

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