Anthropic: Claude Opus 5.5 (anthropic/claude-opus-5.5) costs $4 per 1M prompt tokens and $20 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
- $4 / 1M tokens
- Completion price
- $20 / 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: 2026-09-22
Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...
Price history
No price changes recorded