Claude Opus 4.1
The spec sheet
Figures as the maker publishes them.
Price
- Input, per 1M tokens
- $15
- Output, per 1M tokens
- $75
Memory
- Context window
- 200K tokens
- Longest answer
- 32K tokens
Abilities
- Reasoning
- Yes
- Reads images
- Yes
- Calls tools
- Yes
- Takes in
- image, text, file
- Gives back
- text
The model
- Lab
- Anthropic
- Model id
- anthropic/claude-opus-4.1
- Released
- 5 Aug 2025
- Open weights
- No
