Expired65% confidenceFactExact time
Sonnet 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.
3
Sources
65%
Confidence
Short-term (~14 days)
Relevance
9/29/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/13/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedSonnet 5's token consumption in maximum-effort mode is comparable to OPUS, but with worse results80% similarUnverifiedIn the test, Sonnet 5.5's cache hit rate exceeded 97%, yet its cost still far surpassed that of Sol.76% similarUnverifiedOn some dimensions, Claude Sonnet 5.5 trails the more expensive Opus 5.5 by only 2 points.76% 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 tokens76% similarUnverifiedOn Cursor Bench, Sonnet 5.5's best score is only about two points behind Opus 5.575% similar
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