Sonnet 5.5 cuts price 50% but outputs 62% more tokens, sparking cost concerns

Anthropic's Sonnet 5.5 set a new output token record on Arena and cut prices by 50%, but tests show it emits 62% more tokens, so real task costs may not fall. Users also complain it is priced equal to or higher than Opus 5.5 despite weaker capabilities.

2026-09-29 ~ 2026-09-29 · 3 related posts