Fable 5.1 strong at biology but frequent refusals limit utility
kenbwork · x · 2026-09-02
Arvind Narayanan notes that while Fable 5.1 demonstrates meaningfully better scientific judgment than Opus 5 when it answers, its broad, context-dependent, and often delayed refusals severely limit its practical utility in biology. The measured capability and usefulness remain highly conditional due to these safeguards.
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