Expired50% confidenceOpinionExact time
Reviewers recommend sticking with OPUS 4.8 over Sonnet 5 for almost all tasks, as OPUS 4.8 significantly outperforms it.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/22/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/20/2026(expired)
Sources
Related Claims
UnverifiedTesters recommended continuing to use Opus 4.8 for the vast majority of tasks for better results, and considered Sonnet 5 disappointing.82% 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.77% similarUnverifiedIn 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.76% similarUnverifiedAccording to benchmark data released by Anthropic, Sonnet 4.5 is slightly superior to Claude Opus 4.1 in coding capability.74% similar
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