Comparison
Sonnet 5.5 vs Opus 5.5: Half the Price, Not Half the Bill
Sonnet 5.5 costs half as much per token as Opus 5.5. Then Artificial Analysis measured what a task actually costs, and the rate card stopped mattering.
Topic hub
Claude Opus 5.5
Every Run the Eval review, comparison, and guide about Claude Opus 5.5 — no hype, just receipts.
Comparison
Opus 5.5 vs Grok 4.7 vs MiMo V2.6: The 'Cheap' Model Cost Twice as Much
Three launches in 48 hours. The one with the lowest sticker price ran the biggest bill, the open-weights model matched it for a twentieth of the cost, and Opus finally got its comeback episode.