Fable 5.2's safety classifier interrupts a legit AI research paper replication

felpix_ · x · 2026-11-12

User felpix reports Fable 5.2 blocking an AI research task: the screenshot shows the model rereading the TSIL paper's method details to reproduce it in a small test bed, only for its Write tool call to be interrupted mid-run by a safety classifier, with the UI noting it could continue once. Another case of frontier-model guardrails falsely flagging legitimate academic code replication as unsafe.

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