The flagship of the Claude 4 generation. 1M-token context is GA, and Opus 4.6 leads on agentic coding, long-horizon reasoning and tool-use reliability.
Claude Opus 4.6 is a frontier AI model from Anthropic. It costs $5.000 per million input tokens and $25.000 per million output tokens (blended $11.000/M), with a 1M-token context window.
Claude Opus 4.6 costs $5.000 per million input tokens and $25.000 per million output tokens, for a blended reference rate of $11.000 per million tokens.
Claude Opus 4.6 supports up to 1M tokens of context (1,000,000 tokens).
Claude Opus 4.6 is well suited to Agentic coding (Claude Code), 1M-token context, GA and Tool use & function calling.
Claude Opus 4.6 is developed and served by Anthropic. It was released in Nov 2025.