Anthropic says Moonshot secretly served Claude answers through Kimi

The Claude maker alleges Moonshot rerouted customer prompts, retained some exchanges and used them to train its own models.

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Primary source: X / @amritwt

Why it matters

Undisclosed model routing turns an AI performance dispute into a data-governance problem: customers may not know which company receives their prompts or trains on the exchanges.

Digital data streams appear to go to one network, but are secretly rerouted through a hidden proxy system to another, then returned.

Anthropic alleges that Yang Zhilin's Moonshot AI secretly routed some Kimi customer requests to Claude and presented the resulting answers as Kimi's own. Anthropic detailed the claims in a threat intelligence report published on September 10th.…

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