LaunchAI ModelsSeptember 1, 2026

Fable 5.1 ships with Anthropic's statistical text watermark

Reddit users report Fable 5.1 is the first model, alongside Mythos 5.1, to carry Anthropic's statistical text watermark, per the platform.claude.com Fable 5.1 "what's new" docs. The watermark is described as imperceivable in output text, required by EU regulations but implemented worldwide.

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