Claude Opus 4.6
Anthropic
anthropic/claude-opus-4.6Claude Opus 4.6 is Anthropic's strongest model for coding and long-running professional tasks in this generation, with a 1M-token context window and 128K max output. It is designed for the most demanding software engineering and multi-step agentic workflows.
Cost rate
5x
Context
1M
Released
Feb 4, 2026
Input
TextImageFile
Output
Text
Support
ReasoningTool callingStructured outputs