Expired50% confidenceFactExact time
As of now, Anthropic has not released an official model card, benchmark data, or pricing information for Claude Opus 5.5.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
9/22/2026
First Seen
Valid until: 10/6/2026(expired)
Sources
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https://kongchang.com/claim/941644API
curl https://kongchang.com/api/v1/knowledge/claims/941644MCP
get_claim(id=941644)