Expired50% confidenceOpinionExact time
Testers found that Sonnet 5 may be the model with the lowest token efficiency, consuming tokens at a rate close to Opus in max effort mode but with weaker results.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/6/2026
First Seen
Valid until: 10/4/2026(expired)
Sources
Claude Sonnet 5 Hands-On Review: The Hidden Token Trap That Makes 'Low Cost' an Illusion
bilibili浮生千山路w6/30/2026
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