The study claims that six Chinese AI models' weights contain Blackwell fingerprints.

Will DePue, a former OpenAI researcher (Unemployment Labs), analyzed the random number initialization layout of publicly available model weights and claimed that six Chinese models released since April 2026, including DeepSeek-V4-Flash, DeepSeek-V4-Pro, and Kimi K3, bear the Nvidia Blackwell chip fingerprint, while earlier models like DeepSeek-V3 and Kimi K2.5 correspond to Hopper. The study involves DeepSeek, Moonshot AI, MiniMax, and Ant Group. The research states that all evidence comes from the models' own publicly available weights, but it can only prove that these teams have access to advanced computing hardware, not the specific chip location, acquisition method, or whether export controls were violated; the method relies on publicly available weights, making it impossible to detect proprietary models. Reproduction scripts and test outputs can be provided to reviewers upon request.

AI-written from the reports · Updated 18 hours ago

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