Unverified50% confidenceReleaseExact time
Claude Opus 5.5 is available today on all platforms.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/22/2026
First Seen
Valid until: 12/21/2026
Sources
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https://kongchang.com/claim/941380API
curl https://kongchang.com/api/v1/knowledge/claims/941380MCP
get_claim(id=941380)