Claude Opus 4.5
The spec sheet
Figures as the maker publishes them.
Price
- Input, per 1M tokens
- $5
- Output, per 1M tokens
- $25
Memory
- Context window
- 200K tokens
- Longest answer
- 64K tokens
Abilities
- Reasoning
- Yes
- Reads images
- Yes
- Calls tools
- Yes
- Takes in
- file, image, text
- Gives back
- text
The model
- Lab
- Anthropic
- Model id
- anthropic/claude-opus-4.5
- Released
- 24 Nov 2025
- Open weights
- No
