Expired50% confidenceEventExact time
In test six (scraping that day's AI news from X to build an interactive dashboard), Opus 5.5 was better in a single round of output, but the creator awarded the win to Sonnet 5.5 under the cost rule, believing Sonnet could achieve the same functionality with a few more iterations.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/12/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/26/2026(expired)
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Related Claims
UnverifiedIn test one (landing page design), the creator awarded the win to Sonnet 5.5, on the grounds that Sonnet's above-the-fold looked better and replacing its fake jar with real assets would cost very little, while Opus ran for 52 minutes versus Sonnet's 28 minutes, with Opus costing nearly twice as much as Sonnet.79% 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.77% similarUnverifiedIn the agentic computer use benchmark, Opus 4.8 on the high setting and Sonnet 5 on the max setting perform comparably, but Sonnet 5 consumes more tokens77% similarUnverifiedThe author's core conclusion is that Sonnet 5.5 performed surprisingly well on 3D modeling tasks, but its overall quality still falls noticeably short of Opus 5.5.74% similarUnverifiedSonnet 5.5 and Opus 5.5 have the same cache read price, while Sonnet 5.5 is approximately half the price on all other items.73% similar
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