Sonnet with polish—same price, nicer answers.
Price per 1 million tokens
per 1M tokens you send
per 1M tokens you receive
Input tokens are what you send to the AI, output tokens are what the AI sends back. These rates are set by the provider and reflect the current Anthropic Claude 3.7 Sonnet API pricing. Price accurate as of June 2025.
per month
per month
per month
Incremental Claude Sonnet upgrade—better tool use and long-context grounding.
The context window is the maximum amount of text the model can "see" at once. Larger windows allow for longer conversations or documents.
Join thousands of users who have switched to API.chat and are saving on their AI expenses while enjoying a better experience.