[r/ClaudeCode]score: 0.07
Power Users Report Claude Opus 4.7 Behavior Change Since Sunday
May 26, 2026
A self-described Claude power user reports reproducible behavioral changes in Opus 4.7 starting Sunday, including incomplete tool-calling sequences in previously deterministic workflows.
discussion
HOW THIS AFFECTS YOU
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builderWorth monitoring if you have agentic workflows relying on consistent multi-tool calling behavior in Opus 4.7, as undocumented model-side changes may break deterministic pipelines.