› Understanding claude api pricing comes down to tracking token rates across different model tiers, from lightweight utility models to flagship reasoning systems.
› Official Anthropic pricing ranges from $0.10 to $10.00 per million input tokens and $0.50 to $50.00 per million output tokens depending on whether you run Haiku, Sonnet, Opus, or Fable.
› If you want a flexible setup with unified billing, you can check my service, Jantaris, which provides full SDK compatibility alongside media generation tools.
› As of 18 October 2026Claude Opus 5.5 stands at $4 / $20 per million input and output tokens at Anthropic.Claude Sonnet 5.5 costs $2 / $10 per million tokens.Claude Haiku 5.5 ($0.10 / $0.50 per 1M tokens) is available exclusively through Anthropic.Prompt cache reads for Opus 5.5 and Sonnet 5.5 cost $0.20 per million tokens at Anthropic.