[KongchangAI]
Expired50% confidenceFactExact time

The cost of manual annotation per item is typically between $0.1 and $1, while the marginal cost of model evaluation can be as low as one-thousandth of that

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/14/2026
First Seen
Valid until: 10/12/2026(expired)

Sources

AI Agent上线后如何做在线评估?四种方法全解析

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API
curl https://kongchang.com/api/v1/knowledge/claims/503742
MCP
get_claim(id=503742)