Claude Opus 5.5 runs $4/$20 per million tokens — a 20% cut that only counts if your metering is clean. Here’s every Opus rate, how the modifiers stack, when the 2x premium over Sonnet is worth paying, and how to tell whether the September price drop reached your bill. The post Claude Opus pricing in 2026: every model, every rate, and whether it’s worth it appeared first on CloudZero .