Expired60% confidenceFactExact time
Opus 4.8 proactively asked several clarifying questions during the planning phase and completed the plan within a few minutes
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Claude Fable 5 Hands-On: Is Doubling the Tokens Worth It? A Rust Programming Comparison with Opus 4.8
bilibili四月的尾巴_6/13/2026
Related Claims
UnverifiedClaude Opus 4.8 claimed completion after 8 minutes on its first attempt on the same Cal.com bug fix task but did not actually fix the bug, only succeeding after thinking intensity was set to high62% similarUnverifiedClaude Opus 4.8 scored 8 points in the real-world engineering project bug-fixing task, making it the highest-scoring model in that task.58% similarUnverifiedOpus 5.5 is the first version with targeted improvements to sentence clarity and information overload, but the engineer emphasized this does not mean Opus 5.5 has comprehensively surpassed Opus 4.6.57% similarUnverifiedBy introducing verification loops as an engineered reasoning framework, the actual intelligence performance of DeepSeek can be improved approximately 4x, at a cost of only one-seventh that of Claude Opus.57% similarUnverifiedClaude Opus 4.7 had user complaints about overly verbose code comments and occasional tool-calling errors, both of which were fixed in 4.854% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/45365API
curl https://kongchang.com/api/v1/knowledge/claims/45365MCP
get_claim(id=45365)