Core Insights - ChatGPT has introduced a new feature that allows direct integration with GitHub, enabling users to analyze code repositories and technical documentation effectively [2][4]. - This feature is designed to assist developers by answering questions related to codebases and summarizing code structures, thereby saving time without replacing human input [5][4]. - OpenAI continues to enhance its programming tools, recently launching Codex CLI and upgrading the ChatGPT desktop application to support various coding software [5]. Group 1 - The new Deep Research feature can be accessed by clicking "Deep Research → GitHub," allowing users to ask questions and receive detailed reports based on source code and pull requests [2][3]. - OpenAI plans to roll out this feature to ChatGPT Plus, Pro, and Team users in the coming days, with enterprise and educational versions to follow shortly [4]. - The integration respects organizational privacy settings, ensuring users only see GitHub content they are authorized to access [5]. Group 2 - OpenAI has invested approximately $3 billion in acquiring the AI programming assistant startup Windsurf, indicating a strong commitment to developing programming-related applications [5]. - The company has also introduced fine-tuning capabilities for the o4-mini reasoning model, which will be available only to verified organizations, while the GPT-4.1 nano model's fine-tuning is accessible to all paid developers [6].