[KongchangAI]
Unverified50% confidenceFactExact time

Anthropic has implemented an anti-injection process for the API of Claude Fable 5.1, where continuation requests will be rejected if the system prompt, chat history, or tool configuration is inconsistent with the original session.

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/11/2026
First Seen
Valid until: 12/10/2026

Sources

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Stable URI
https://kongchang.com/claim/895419
API
curl https://kongchang.com/api/v1/knowledge/claims/895419
MCP
get_claim(id=895419)