Expired75% confidenceFactTime unknown
According to benchmark data released by Anthropic, Sonnet 4.5 is slightly superior to Claude Opus 4.1 in coding capability.
1
Sources
75%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 8/30/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedIn agentic search tests, Sonnet 5 outperformed Sonnet 4.6 across all effort levels, but its overall performance was below Opus 4.8, placing it at approximately the Opus 4.7 level overall.85% similarUnverifiedOn the third-party benchmark Frontier Code launched by Cognition, Sonnet 5 surpasses Opus 4.881% similarPartially VerifiedThe company states that Sonnet 5 shows significant improvements over Sonnet 4.6 in reasoning, tool use, coding, and knowledge work, with overall performance approaching OPUS 4.8 but at a lower price.78% similarUnverifiedAnthropic stated that Sonnet 4.6 performs on par with Opus 4.6 in terms of resistance to prompt injection.77% similarUnverifiedGLM 5.1, the strongest coding model among domestically produced models, was found in testing to be roughly between Claude Opus 4.5 and Sonnet 4.6 in performance.76% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/24199API
curl https://kongchang.com/api/v1/knowledge/claims/24199MCP
get_claim(id=24199)