[KongchangAI]
Verified75% confidenceFactTime unknown

The Artifacts feature was first introduced by Anthropic in June 2024 alongside Claude 3.5 Sonnet.

3
Sources
75%
Confidence
Long-term
Relevance
6/1/2026
First Seen

Sources

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Stable URI
https://kongchang.com/claim/33403
API
curl https://kongchang.com/api/v1/knowledge/claims/33403
MCP
get_claim(id=33403)