Verl

ByteDance Volcano-Engine's open RLHF framework — flexible HybridFlow architecture; supports PPO/GRPO at large scale.

Active · Verified 2026-10-28 · fresh as of 2026-10-28 · 15 cited facts, 1 with a third-party source · 2 recorded changes · Suggest a correction

At a glance

Type: Volcano RLHF framework repo fix
Tier: T3
Section: Training infrastructure
Created: 2024 repo fix
Latest release: v0.9.1 (2026-09-20) — verl registry fix
License: Apache-2.0 repo fix
GitHub: verl-project/verl (formerly volcengine/verl) — ~24.0k stars, last commit 2026-10 repo fix
Pricing: searched not found fix
Funding: searched not found fix
Freshness: 2026-10-28 fix
Layer: model-infra repo fix
Licensing: open-source repo fix
Deployment locus: local repo fix
Platform vs product: platform repo fix
Developer activity: OpenRank 44.76 (12-mo avg 124.58) · 184 participants — 2026-09 third-party fix

Optimised for: searched not found

Anti-fit: searched not found

searched not found

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Used by ByteDance internally; growing OSS adoption.

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Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)

2026-10-28
- Homepage “https://github.com/volcengine/verl” → “https://github.com/verl-project/verl”
#291
2026-10-27
- Latest release first recorded as “v0.9.1 (2026-09-20) — verl” source
- Deployment first recorded as “Self-hosted only — library” source
#272

OpenViking (ByteDance Volcengine) same team as — Same GitHub organisation `volcengine` publishes both repos.