Users of Anthropic's Claude AI models, specifically Fable 5 and Opus 5, have reported an increase in over-engineering responses. Instead of providing straightforward solutions, Claude has begun to generate overly complex and lengthy explanations, even for simple tasks. This behavior has been observed across different codebases and projects, leading users to question if system prompts have been updated to encourage such elaborate outputs. AI
IMPACT This observed over-engineering in Claude could indicate a shift in its response generation strategy, potentially impacting user efficiency and workflow.
RANK_REASON User reports on observed behavior change in a commercial AI model.
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