According to Boris Cherny on Twitter, Claude Opus 4.6 is the most advanced model released by Claude AI, featuring greater intelligence, more agentic behavior, and improved reliability in handling long, complex tasks. As reported by ClaudeAI, Opus 4.6 introduces more precise user control through adjustable effort settings, which allow developers to balance speed and depth of reasoning. Notably, the model operates reliably in massive codebases, catches its own mistakes, and debuts a 1M token context window in beta. These improvements present significant opportunities for businesses seeking advanced AI code generation and agentic automation, as noted by ClaudeAI.

According to @claudeai, Claude Opus 4.6 introduces significant improvements in planning, sustained agentic task execution, and reliability within large codebases. The model now features the ability to catch its own mistakes, presenting enhanced opportunities for enterprises requiring robust AI coding assistants. Notably, Opus 4.6 is the first Opus-class model to support a 1 million token context window in beta, which, as reported by @claudeai via Twitter and amplified by @AnthropicAI, enables more complex and extended AI interactions. These advancements position Claude Opus 4.6 as a competitive solution for businesses seeking advanced language models capable of handling extensive data and code workflows.