Dan Shipper IDs Claude Opus 5.5 from its prose in seconds in 'guess the model' game

danshipper · x · 2026-10-20

Every.to editor Dan Shipper shares a 3-part 'guess the model' story: shown an anonymous article, he instantly called it 'obviously a claude model — claude slop rampant,' mocking its 'repetition and sentences that seem profound but mean nothing.' The reveal: he was right, it was Opus 5.5, with full results across 8 sample pieces. Anthropic engineer Katie Parrott reacted with a defeated 'dammit.' Claude's signature writing style is now recognizable on sight.

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