Open source repo

What's inside verl-project/verl

verl-project/verl is a Python repo with 187,062 lines written. verl is built with FastAPI and uvicorn. AI signed 9.2% of the 3,182 commits of verl.

Its description on GitHub: “verl/HybridFlow: A Flexible and Efficient RL Post-Training Framework”

PythonApache-2.024,128

Read on November 4, 2026, at commit 7454326.

What the card proved: what it’s built with on the left, what it uses on the right.

See each one with its proof

More on this repo

TechnologiesWhat is verl built with?verl is built with FastAPI and uvicorn.

+1 Who writes itHow much of verl did AI write?9.2%AI signed 9.2% of the 3,182 commits of verl.

In figures

lines written: 187,062; The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
files: 359; The product’s, not counting tests.
test files: 304; The files that test the code.
technologies: 9; Each service with the file and line that prove it.

SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.

Frequently asked questions

What is verl-project/verl?

verl-project/verl is a Python repo with 187,062 lines written. Its description on GitHub: “verl/HybridFlow: A Flexible and Efficient RL Post-Training Framework”

The proof: its page on GitHub

What is verl built with?

verl is built with FastAPI and uvicorn.

The proof: each service with its file and line

How much of verl did AI write?

AI signed 9.2% of the 3,182 commits of verl.

The proof: the commits each tool signed

What license does verl have?

verl is released under the Apache-2.0 license.

The proof: its page on GitHub

How many stars does verl have on GitHub?

verl had 24,128 stars on GitHub on November 4, 2026.