This site hosts the "traditional" implementation of Python (nicknamed CPython). A number of alternative implementations are available as well and several vendors have repackaged CPython to include more libraries or specialized it for a particular application.
Python 3.15 reaches its first beta and feature freeze, marking a milestone in development of the next release. It continues the no-GIL work introduced in Python 3.14, with the final version scheduled for October 2026.
Anthropic signs a two-year partnership with the Python Software Foundation, committing $1.5 million to security work across CPython and the Python Package Index. The agreement assigns that funding to security efforts across both projects for the duration of the two-year partnership.
Anthropic invests $1.5 million in the Python Software Foundation. ReversingLabs examines the investment’s implications for AI security and open source software management across the Python ecosystem.