Verified80% confidenceFactExact time
GPT-5.5 was released at the end of April 2025.
17
Sources
80%
Confidence
Long-term
Relevance
5/28/2026
First Seen
Sources
June AI Showdown: Mythos, Sonnet 4.8, and GPT-5.6 All Revealed
bilibili安得广厦千万间6785/28/2026
Related Entities
Cite This Claim
Stable URI
https://kongchang.com/claim/1890API
curl https://kongchang.com/api/v1/knowledge/claims/1890MCP
get_claim(id=1890)