Expired75% confidenceBenchmarkExact time
Sonnet 5 achieved a score of 80.4% on Terminal Bench 2.1, approaching Opus 4.8.
5
Sources
75%
Confidence
Medium-term (~90 days)
Relevance
7/6/2026
First Seen
Valid until: 10/4/2026(expired)
Sources
Claude Sonnet 5 Hands-On Review: The Hidden Token Trap That Makes 'Low Cost' an Illusion
bilibili浮生千山路w6/30/2026
Related Claims
VerifiedOn the SWE Bench Pro programming benchmark, Sonnet 5 achieved 63.2% and Opus 4.8 achieved 69.2%.85% similarUnverifiedOn Cursor Bench, Sonnet 5.5's best score is only about two points behind Opus 5.578% similarUnverifiedSonnet 5 is only approximately 72% cheaper than Opus 4.8 Max.78% similarUnverifiedOn the SWE-Bench Pro benchmark, Sonnet 5 significantly trails Opus 4.8.77% similarUnverifiedClaude Sonnet 5 scored 81.2% on Computer Use.76% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/113019API
curl https://kongchang.com/api/v1/knowledge/claims/113019MCP
get_claim(id=113019)