Back to Models
Anthropic

Claude Opus 4.1

Anthropic•Documentation
claude-opus-4-1
Sign Up

Legacy model. Anthropic recommends migrating to Claude 4.5 models for improved performance.

Use this model with Aisle

Chat
Have natural conversations with the model in a familiar interface
Prompts
Automate tasks, share with your team, and deploy to chat
Playgrounds
Test prompt variants, model settings, and compare models side by side
Workflows
Chain prompts together for complex automation and outcomes
Context Window
200K
tokens
Max Output
32,000
tokens
Temperature
0 – 1
default: 0.7
Extended Thinking
Supported
Web Search
Available
MCP Support
Available
Structured Output
Available

Supported File Formats

Images

WEBP(5 MB)PNG(5 MB)JPEG(5 MB)GIF(5 MB)

Documents

pdftextdocxlsrtfdocxxlsxpptxpptodtodpods