Cloudflare Workers Adds Stable Native Python Support
Something you can actually use or run today.
On September 21, 2026, Cloudflare officially launched general availability for Python support in its Workers platform.
Python-centric AI developers can deploy lightweight logic workflows directly to Cloudflare's edge, though they cannot run libraries requiring multi-processing due to WebAssembly limitations.
Achieving stable GA for Python at the edge is a notable milestone for serverless infrastructure. However, the WebAssembly architectural limitations mean it remains unsuited for full-scale local machine learning inference tasks.
Watch for whether Cloudflare can successfully bypass the current WebAssembly multi-threading limitations in a future runtime update.
- Enables Python-heavy AI development teams to deploy applications directly to the global edge network.
- Allows execution of lightweight Python-based AI logic and data processing tasks.
- Important limitation: Python libraries relying on threading or multiprocessing are not supported due to the WebAssembly-based environment.
Sources confirm that Python support in Cloudflare Workers has transitioned to general availability using Pyodide for execution.