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Google unveils Jules’, a coding agent competitor to OpenAI’s Codex

At Google I/O 2025, Google unveiled ‘Jules’, an AI-powered coding assistant designed to automate repetitive programming tasks such as bug fixes, feature development, documentation, and testing. Powered by Google’s Gemini 2.5 Pro model, Jules operates within a cloud-hosted Ubuntu Linux environment equipped with popular developer tools like Node.js, Python, Go, Java, and Rust. This setup enables Jules to clone repositories, install dependencies, and modify files as needed. One of Jules’s standout features is its asynchronous operation, allowing developers to assign tasks and receive progress updates via browser notifications or through its interface. Deep integration with GitHub enables users to select specific repositories and branches for Jules to work on. The agent decomposes complex tasks into manageable steps, generates plans for code changes, runs unit tests to validate its work, and creates pull requests for user review and approval. To enhance developer experience, Jules provides audio summaries of the modifications it makes, helping users quickly understand changes without sifting through code lines. Importantly, Google emphasized that Jules respects user privacy by not training on private repositories. Initially part of Google Labs and free during its beta period, Jules is now available in public beta, allowing developers to sign up and try the tool. This launch positions Google in direct competition with other AI coding assistants like OpenAI’s Codex and GitHub Copilot.  The introduction of Jules comes amid a rapidly growing AI code tools market, which was valued at approximately $4.86 billion in 2023 and is projected to reach $26.03 billion by 2030, growing at a CAGR of 27.1%. Developers interested in exploring Jules can sign up through Google Labs to experience this new AI-powered coding assistant.