Anthropic Releases New AI Tool Aimed at Helping Companies Write Code

Anthropic released Claude Sonnet 4.5 on September 29, 2025, designed to help companies automate coding and build intelligent software agents. The move puts Anthropic in direct competition with OpenAI and Google for lucrative enterprise deals. The company made Sonnet freely available to everyday users first, building familiarity before pitching it to businesses at scale.