Anthropic: Claude Sonnet 5.5 (anthropic/claude-sonnet-5.5) costs $2 per 1M prompt tokens and $10 per 1M completion tokens, has a 1,000,000-token context window, and supports tool calling, structured outputs, reasoning and response format. Data updated 2026-10-30.
- Prompt price
- $2 / 1M tokens
- Completion price
- $10 / 1M tokens
- Context
- 1,000,000 tokens
- Input modalities
- text, image, file
- Output modalities
- text
- Tokenizer
- Claude
- Instruct type
- —
- Knowledge cutoff
- —
- Hugging Face
- —
Last price change: 2026-09-28
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...
Price history
No price changes recorded