Claude Opus 5.5 (batch)
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...
The figures
- Made by
- Anthropic
- Model ID
- anthropic/claude-opus-5.5:batch
- Input
- $2 per million tokens
- Output
- $10 per million tokens
- Context window
- 1M tokens
- Longest answer
- 128K tokens
- Takes in
- text, image, file
- Gives back
- text
- Reasoning
- Yes
- Tool calling
- Yes
- Reads images
- Yes
- Open weights
- No
- Released
- 22 Sept 2026
Read on 3 Oct 2026.