Fable 5.1 Ships: Faster, Cheaper Cache, Usage Resets
Sep 1, 2026 · 617 messages · 88 active members
Anthropic released Fable 5.1 mid-day with notably faster TPS, better cache efficiency, and a less robotic tone. Most users got fresh usage resets, though some regions were skipped and guardrails auto-demoted to Opus 4.8…
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