[KongchangAI]
Unverified50% confidenceFactExact time

Fable 5.1's reliable knowledge cutoff date is set to June 2026.

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/5/2026
First Seen
Valid until: 12/4/2026

Sources

Breaking Down Claude's System Prompt Update: The Tug-of-War Between AI Copyright Protection and Safety Boundaries

Related Entities

Fable 5.1model

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https://kongchang.com/claim/860281
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curl https://kongchang.com/api/v1/knowledge/claims/860281
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get_claim(id=860281)