Anthropic releases Claude Sonnet 4.6, continuing breakneck pace of AI model releases
Claude Sonnet 4.6 is more consistent with coding and is better at following coding instructions, Anthropic said.

TL;DR
- Anthropic launched Claude Sonnet 4.6, an AI model with enhanced abilities in computing, coding, design, and processing large datasets.
- This is Anthropic's second major AI model release in under two weeks, following the launch of Claude Opus 4.6.
- Claude Sonnet 4.6 will serve as the default model for Anthropic's free and Pro users within its Claude chatbot and Claude Cowork productivity tool.
- The company stated that Sonnet 4.6 offers performance previously requiring an Opus-class model, particularly in office tasks.
- The model features significantly improved coding skills, showing more consistency and better adherence to instructions.
- Anthropic's recent AI advancements coincide with a significant sell-off in software stocks, with investors concerned about potential business disruption.
- Anthropic has also secured a substantial $30 billion funding round at a $380 billion post-money valuation.