Unverified50% confidenceFactExact time
Claude Sonnet 5.5 features a 1 million (1M) token context window.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/28/2026
First Seen
Valid until: 12/27/2026
Sources
Related Entities
Cite This Claim
Stable URI
https://kongchang.com/claim/957220API
curl https://kongchang.com/api/v1/knowledge/claims/957220MCP
get_claim(id=957220)