Side-by-side comparison · open source
ROLL vs veRL
What we have checked about each, line by line. Every value shows where it came from and when we last confirmed it.
Open Source
ROLL
An Efficient and User-Friendly Scaling Library for Reinforcement Learning with Large Language Models
Open Source
veRL
verl/HybridFlow: A Flexible and Efficient RL Post-Training Framework
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Line by line
| Measure | ROLL | veRL |
|---|---|---|
| Latest version | 0.4.0 (for 29 Sept 2026) | 0.9.1 (for 20 Sept 2026) |
| GitHub stars | 3,408 | 23,625 |
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