According to Demis Hassabis on Twitter, CodeMender is a new AI agent designed to automatically fix critical software vulnerabilities, which could significantly enhance developer productivity and software security. Early results show that CodeMender leverages advanced artificial intelligence to identify and remediate security flaws in codebases without manual intervention. This innovation addresses a major pain point in software development by reducing the time and expertise needed to secure applications, thus offering practical business opportunities for organizations seeking to mitigate risks and accelerate development cycles (Source: Demis Hassabis, Twitter, 2025-10-07).