Claude Opus 4.1
by Azure Cognitive Services · family claude-opus · listed Nov 2025RTV
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Current rates USD per 1M tokens
Input$15.00
Output$75.00
Cache read$1.50
Cache write$18.75
Against the market
On the record
- Model id
claude-opus-4-1- Context window
- 200K tokens
- Max output
- 32K tokens
- Input modalities
- text, image, pdf
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- no
- Knowledge cutoff
- Mar 2025
- Released
- 2025-11-18
- Last updated
- 2025-11-18
Back of the envelope
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