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JoyIn CEO questions OpenAI similarities as Ant-backed startup releases new robotics model

9/11/2026

Knowledge distillation is a training technique for compressing a larger model's capabilities into a smaller one.

As a competitive accusation in the AI industry, it is the claim that one lab trained on another's outputs and passed the result as original work.

JoyIn, an Ant-backed Chinese humanoid startup, is now directing that question toward OpenAI: the company's CEO published an article in Chinese alongside the release of JoyIn's new robotics model, raising questions about similarities between JoyIn's work and OpenAI's published research.

The direction of the claim The framing the CEO chose is a reversal.

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