AnthropicEstimated tokenizer
Claude Sonnet 5 API price
Anthropic charges $2 per 1M input tokens and $10 per 1M output tokens. Context window 1,000,000 tokens. A 10k-in / 2k-out request is about $0.0400.
Who uses Claude Sonnet 5
Catalog prompts in the same model family, plus coding agents from this provider.