Unverified50% confidenceFactExact time
In tests with real Agent logs, Haiku 4.5 and Opus 5.5 showed leakage (P=0.050), while Haiku 5.5 and Sonnet 5.5 held.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/16/2026
First Seen
Valid until: 1/14/2027
Sources
Related Entities
Related Claims
UnverifiedAnthropic's Opus and Sonnet 5.5 have removed the no-reasoning option, while Haiku 5.5 retains it but performs poorly in that mode.78% similarUnverifiedSonnet 5 has revision capability that GLM 5.2 lacks.65% similarUnverifiedJudging from the version number, Mythos 5.1 should be an iterative update built on 5.0, which typically implies performance optimization rather than a disruptive architectural change.59% similarUnverified5.0.12 is a patch-level update within the 5.0 major version series.57% similarPartially Verifiedlangchain-core 1.6.9 is a minor version iteration following 1.6.8.56% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1043796API
curl https://kongchang.com/api/v1/knowledge/claims/1043796MCP
get_claim(id=1043796)