NVIDIA-NeMo/RL

Scalable toolkit for efficient model reinforcement

Owned by NVIDIA

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NVIDIA-NeMo/RL has 2k+ stars and 600+ forks on GitHub, is written in Python, and was last pushed on Oct 19, 2026. Data as of . Signed-in members get hourly updates — create a free account.

Summary Information

Updated 6 minutes ago
Added to GitGenius on October 12th, 2026
Created on March 16th, 2025
Open Issues & Pull Requests: 1,312 (-1)
GitHub issues: Enabled
Number of forks: 606
Total Stargazers: 2,072 (+0)
Total Subscribers: 48 (+0)

Repository Insights (GitGenius)

Median issue/PR response: 0.0 hours
Mean response time: 11.6 days
90th percentile: 21.2 days
Tracked items: 1,015

Maintainer activity

80 people did triage or write work on this repository in the last 12 months.

Counts unlabeled, assigned, unassigned, milestoned, demilestoned, locked, unlocked over the last 12 months. These are issue and pull request events that require triage or write permission. Commits and code review are not counted. labeled and renamed are excluded because GitHub issue forms record the issue author as the actor. Figures from October 18, 2026. This count is not comparable across projects: each project's automation decides which of these events a person emits. How this is counted.

How this project is maintained

About 13% of issues opened in the past year have never received a reply. 75% of open issues come from outside the core team, so the backlog reflects real-world use rather than internal planning. 58% of tracked open issues have had no activity in three months. Only 35% of issues opened in the past year have been closed. Three people close 66% of everything that gets resolved.

Charts & Analytics

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Issue Activity (beta)

Open issues: 575
New in 7 days: 13
Closed in 7 days: 0
Avg open age: 241 days
Stale 30+ days: 519
Stale 90+ days: 383

Recent activity

Opened in 7 days: 9
Closed in 7 days: 0
Comments in 7 days: 0
Events in 7 days: 4

Top labels

  • bug (456)
  • qa_rcca_done (302)
  • community-request (221)
  • enhancement (216)
  • external (116)
  • Feature (112)
  • Documentation (72)
  • Performance (65)

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Detailed Description

NeMo RL is a scalable toolkit for efficient reinforcement learning model post-training.

The toolkit addresses the challenge of applying reinforcement learning to large language models during the post-training phase. It provides infrastructure and algorithms designed to work efficiently at scale, enabling practitioners to fine-tune models using RL techniques without requiring prohibitive computational resources. The approach centers on making RL post-training accessible and practical for models of varying sizes.

Teams working on language model alignment and optimization should consider this toolkit if they need to integrate reinforcement learning into their training pipelines. It suits projects where post-training refinement through RL is a core requirement, particularly those operating within resource constraints. The toolkit is positioned as part of the broader NeMo ecosystem, which handles various aspects of model training and deployment.

The project maintains active discussion channels and contribution guidelines, indicating ongoing engagement with its user community. Development activity shows sustained attention to the toolkit's core functionality and its integration within the larger NeMo framework.