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.