User claims switching from Claude Opus 5.5 to GPT-6.1 dramatically slowed his machine

koltregaskes · x · 2026-10-21

The poster disabled Claude Opus 5.5 over data-protection concerns (after briefly trying Copilot) and switched back to GPT-6.1 Sol—then saw his machine slow down, outputs lag, and errors return.

He's puzzled why cloud-based Copilot/GPT would affect local performance and suspects it's not a coincidence—an anecdote about perceived quality differences when switching models.

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