# CPython: AI-friendly

> AI tools are fine for code, issues and comments as long as the author reviews the output and takes responsibility. Disclosing AI use is appreciated but not required.

- What it is: The reference implementation of the Python language. (Programming language)
- Homepage: https://www.python.org/
- Repository: https://github.com/python/cpython
- Overall stance: AI-friendly (Friendly). AI-assisted contributions are welcome under the same rules as any other contribution.
- Last classified: 2026-10-09 (manual review, high confidence)
- Policy last changed: 2026-10-09
- Web page: https://areweaifriendly.com/projects/cpython/

## Policy by area

- **Code contributions**: AI-friendly (Contributor takes full responsibility; A human must review the output)
- **Issues & bug reports**: AI-friendly (Contributor takes full responsibility; A human must review the output)
- **AI-written text**: AI-friendly (A human must review the output)

## In their own words

- Code contributions: "The person submitting an issue or PR is responsible for its content, regardless of whether AI tools were used in its creation." (https://devguide.python.org/getting-started/ai-tools/)
- Code contributions: "Disclosure of the use of AI tools in the PR description is appreciated, while not required." (https://devguide.python.org/getting-started/ai-tools/)
- Issues & bug reports: "Authors must review the work done by AI tooling in detail to ensure it actually makes sense before proposing it as a PR or filing it as an issue." (https://devguide.python.org/getting-started/ai-tools/)
- AI-written text: "Always review the output before opening a pull request or issue, including proposed PR or issue titles and descriptions." (https://devguide.python.org/getting-started/ai-tools/)

## Sources

- [Guidelines for using AI tools](https://devguide.python.org/getting-started/ai-tools/), fetched 2026-10-09