Anthropic's Claude model has been pivotal in enhancing Graphite Reviewer, an AI-powered code review tool, by providing deep code comprehension akin to a senior engineer, which many other language models failed to achieve. Initially, the challenge was to find an AI capable of accurately understanding complex codebases without generating incorrect suggestions, a problem prevalent with other models that eroded trust. However, Claude excelled by offering meaningful feedback with a low false positive rate, significantly speeding up pull request feedback loops from hours to seconds and receiving high positive feedback and implementation rates. This tool, integral for distributed teams across time zones, has reduced the traditional bottlenecks in the software development lifecycle by enabling immediate feedback on pull requests, thus allowing developers to address issues before human review. With the successful launch of Graphite Reviewer in October 2024, Anthropic has played a crucial role in scaling and advising on best practices to accommodate increasing demand, showcasing the potential of LLMs in revolutionizing code creation, review, and maintenance.