Expired70% confidenceFactTime unknown
Sonnet 4.5 is currently Claude's most intelligent model.
1
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026(expired)
Sources
Related Entities
Related Claims
VerifiedThe model used by Cursor in the test is Claude Sonnet 480% similarUnverifiedClaude Sonnet 4 is a mid-tier model released by Anthropic in mid-2025, with a score on SWE-bench that significantly leads models of the same tier78% similarUnverifiedClaude Sonnet 5被官方定位为该系列中最具自主性的模型78% similarUnverifiedClaude 4.0 (also known as Claude Sonnet 4) is Anthropic's latest model released in mid-2025, with improvements in code generation, reasoning, and instruction following78% similarUnverifiedThe Claude version used in the experiment was upgraded from Sonnet 3.5 to Claude 4.77% similar
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