Claude API Pricing: Every Model and Real Task Cost
AI-generated summary Octomind examined Claude API pricing across models including Claude Haiku 5.5, Sonnet 5.5, Opus 5.5, and Fable 5.1 based on Anthropic documentation checked in November 2026. Anthropic reports rates per million tokens and outlines prompt caching, batch processing discounts, and model lifecycles for its Claude API offerings.