A user says Claude 4.6 felt worse yesterday and asks whether model quality can drift over time

Rahios · reddit · 2026-07-21

A user says their usual workflow is to plan with Claude and execute with DeepSeek, but recently DeepSeek outperformed Claude at planning and Claude 4.6 felt noticeably worse.

The post asks whether model behavior can change over time, and whether this is due to server availability or vendors silently degrading older models.

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