Morning Edition · Saturday, October 3, 2026Published at 2:33 AM EDT · New York

Anthropic Holds Sonnet Pricing Flat and Sells the Token Savings Instead

Sonnet 5.5 stays at $2 and $10 per million tokens, generates output more than 30% faster, and reaches 81.3% on SWE-bench Pro against 89.9% for the costlier Opus 5.5.

Anthropic's current mid-tier model, Claude Sonnet 5.5, keeps the same list price as its predecessor: $2 per million input tokens and $10 per million output tokens. The company's cost claim rests on token count rather than on rate. The model…