Introducing Claude Sonnet 4.6

Claude Sonnet 4.6 is the latest upgrade in the Sonnet series, offering significant improvements in coding, computer usage, reasoning, planning, and design. It introduces a 1M token context window in beta and maintains the same pricing as its predecessor, Sonnet 4.5. Users have reported a preference for Sonnet 4.6 over earlier models due to its enhanced consistency, instruction-following, and reduced overengineering, making it favorable even compared to the previous high-end Opus 4.5 model. It demonstrates human-level capabilities in tasks that require complex reasoning and multitasking, showing marked improvements in areas such as coding, document comprehension, and financial analysis. The model also features robust safety measures against prompt injection attacks, and its performance in various benchmarks, such as OSWorld and Vending-Bench Arena, highlights its capacity for handling complex tasks at a competitive price point. Sonnet 4.6 is available on all Claude plans and major cloud platforms, supporting adaptive and extended thinking, context compaction, and improved integration with tools like Excel for enhanced functionality.