DeepSeek routing drama: switch to v4.1 flash slammed, rollback to Pro called flip-flopping

teortaxesTex · x · 2026-09-11

A viral post mocks DeepSeek's no-win routing situation: switching Pro to v4.1 flash drew complaints that better eval scores don't mean better real-world output, while rolling back to the original Pro after user feedback got it accused of breaking its word — with some speculating the new flash model underperforms Pro. The author argues vendors should stick to their decisions, joking that Anthropic embodies this trait well.

Related event: DeepSeek routing backlash: silent Flash switch rolled back(2 posts)→

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