---
title: "Stable Baselines3"
created: 2026-04-06
updated: 2026-04-10
type: concept
tags: [rl, open-source]
sources: []
---

# Stable Baselines3

Stable Baselines3 is a set of reliable implementations of reinforcement learning algorithms in PyTorch. It is the framework upon which the sb3-distill library (implementing [[proximal-policy-distillation]]) is built.

[src: raw/ingested/2024/07/2407.15134.md]

## Related

- [[ppo]] — One of the core algorithms implemented by Stable Baselines3.
- [[proximal-policy-distillation]] — Uses Stable Baselines3 as its implementation base.
- [[policy-distillation]] — Broader policy-transfer setting.