Fable 5.2 system card shows blocked kernel dev on certain accelerators, reportedly Huawei and DeepSeek
casper_hansen_ · x · 2026-11-10
casperhansen highlights that the Fable 5.2 system card discloses safeguards on a narrow set of frontier-LLM development capabilities, including kernel development on certain ML accelerators — which he presumes targets Huawei — plus training-time limits on research capabilities that could accelerate AI progress. The attached screenshot shows blocked requests fall back to an older model (Opus 5), with the card claiming the vast majority of traditional AI/ML work and general coding is unaffected. He reads this as effectively blocking development scenarios tied to Huawei and DeepSeek.
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