
Anthropic launches Claude 4 with top coding models Opus 4 and Sonnet 4
16 days ago
Claude 4 introduces Claude Opus 4 and Sonnet 4, improving coding, reasoning, and AI agents. Opus 4 excels in complex tasks and coding, while Sonnet 4 enhances coding and instruction following. Both support tool use, parallel execution, and better memory with local file access. Claude Code is now available with IDE integrations and SDK. New API features enable powerful AI agents, reducing shortcut behaviors and improving task focus and safety.