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
Valid until: 8/30/2026(expired)
Sources
Related Entities
Related Claims
Unverified在智能体搜索测试中，Sonnet 5 各 effort level 下均优于 Sonnet 4.6，但整体性能低于 Opus 4.8，综合约在 Opus 4.7 级别85% similarUnverified在 Cognition 推出的第三方基准 Frontier Code 上，Sonnet 5 超越了 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
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