Oracle has banned AI-generated code from OpenJDK contributions due to safety, security, and intellectual property concerns. Developers are permitted to use large language models privately for debugging and reviewing code but cannot submit AI-generated content to repositories or pull requests.

Since August 2025, over half of the new code in Ashby’s production systems has been generated by AI, with customer issues remaining stable. Cursor provides statistics on the proportion of AI-generated code, and no regressions in code quality have been observed.

AI-generated code from tools like Claude Code, Cursor, and Codex may be uncopyrightable or subject to ownership by employers and open source licenses. Developers using AI coding tools should document their work to clarify ownership rights.

The Linux kernel now accepts AI-generated code, requiring human review and certification before submission. Submitters must take full responsibility for any bugs or issues that arise from the AI-generated content.

Code Metal has raised $125 million to rewrite defense industry code using AI. Google and Microsoft report that 25–30% of their new code is AI-generated, while AWS has modernized 40 million lines of COBOL for Toyota using AI.