llm11

Anthropic Claude models

llm11 can call 15 Anthropic Claude models through one API, with Jev, TypeSafe AI's System One model, deciding which one answers each request. Blended prices run from $2.00 to $30 per million tokens. The newest is Claude Sonnet 5.5, released 2026-09-28.

Anthropic Claude models with live prices
ModelInput / 1MOutput / 1MContext
Claude Sonnet 5.5$2.00$101M
Claude Opus 5.5$4.00$201M
Claude Fable 5.1$10$501M
Claude Opus 5$5.00$251M
Claude Sonnet 5$2.00$101M
Claude Fable 5$10$501M
Claude Opus 4.8$5.00$251M
Claude Opus 4.7$5.00$251M
Claude Sonnet 4.6$3.00$151M
Claude Opus 4.6$5.00$251M
Claude Opus 4.5$5.00$25200K
Claude Haiku 4.5$1.00$5.00200K
Claude Sonnet 4.5$3.00$151M
Claude Opus 4.1$15$75200K
Claude Sonnet 4$3.00$15200K

Read from the live catalogue and refreshed daily. Prices are per million tokens.

Questions

Which Anthropic models can I call through llm11?
15 today, listed with live prices on this page. The list follows the upstream catalogue, so a new Anthropic model appears here without anyone editing the page.
What is the cheapest and the most expensive Anthropic model?
By blended price, weighting three parts input to one part output: Claude Haiku 4.5 is cheapest at $2.00 per million tokens, and Claude Opus 4.1 is the most expensive at $30.
What is the newest Anthropic model?
Claude Sonnet 5.5, released 2026-09-28. Call it with model set to anthropic/claude-sonnet-5.5.

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