One API. Your choice of models.

anthropic/claude-sonnet-5.5 API

Explore anthropic/claude-sonnet-5.5 on Kearnix: current input and output token prices, supported endpoints, capabilities and context window.

Live model prices

Customer prices in USD per million tokens. Model metadata and availability come from the current catalog.

ModelDeveloperInput / 1MOutput / 1M
anthropic/claude-sonnet-5.5Anthropic$3.6$18

From choosing a model to your first request

Choose an uncensored LLM APIUnderstand the labels, compare models and evaluate your workload.Connect an OpenAI-compatible clientSet your base URL, keep your key safe and send a first request.Understand token pricingCompare input, output and cached-token rates using your actual workload.
Create your Kearnix accountCompare live model pricesRead the quickstart