Anthropic Launches Claude 4, Boosts AI Coding Lead

Anthropic has launched its next-generation Claude AI models, Opus 4 and Sonnet 4, establishing new industry benchmarks for advanced coding, reasoning, and autonomous AI agents. Claude Opus 4, now described as the 'world’s best coding model,' outperforms OpenAI's GPT-4.1 and Google's Gemini 2.5 Pro on measures like SWE-bench and can sustain multi-hour coding sessions. Sonnet 4, available to free users, delivers major improvements over the previous version, including a 72.7% SWE-bench score and integration into GitHub Copilot for enhanced developer productivity. Both models offer hybrid reasoning modes, better memory, parallel tool use, and support through new APIs and Claude Code, now generally available. Early adopters such as Rakuten, Sourcegraph, and Replit have reported improved code quality and context retention. The launch has also generated positive sentiment in technology and crypto markets, highlighting increased institutional interest in AI-driven solutions.