hao-ai-lab/fastvideo

A unified inference and post-training framework for accelerated video generation.

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Summary Information

Updated 39 minutes ago
Added to GitGenius on September 15th, 2026
Created on October 24th, 2024
Open Issues & Pull Requests: 191 (+0)
GitHub issues: Enabled
Number of forks: 467
Total Stargazers: 4,484 (+0)
Total Subscribers: 38 (+0)

Repository Insights (GitGenius)

Median issue/PR response: 11.9 hours
Mean response time: 12.6 days
90th percentile: 37.2 days
Tracked items: 442

Most active contributors

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How this project is maintained

About 9% of issues opened in the past year have never received a reply. 58% of open issues come from outside the core team, a mix of external reports and the maintainers' own roadmap. Work labelled "scope: attention" is answered fastest, typically in about 9 hours, while "question" waits about 6 days. Almost all tracked open issues have seen activity in the last three months. 73% of issues opened in the past year have been closed, leaving a working backlog.

Charts & Analytics

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Issue Activity (beta)

Open issues: 52
New in 7 days: 3
Closed in 7 days: 3
Avg open age: 102 days
Stale 30+ days: 35
Stale 90+ days: 2

Recent activity

Opened in 7 days: 3
Closed in 7 days: 3
Comments in 7 days: 2
Events in 7 days: 17

Top labels

  • scope: attention (66)
  • stale (52)
  • scope: inference (50)
  • installation (47)
  • scope: docs (40)
  • scope: model (39)
  • question (36)
  • scope: training (25)

Detailed Description

FastVideo is a unified inference and post-training framework for accelerated video generation.

Video generation models are computationally expensive, requiring significant resources for both training and inference. FastVideo addresses this by providing a framework that combines inference optimization and post-training techniques to reduce computational costs. The framework integrates distillation methods and other acceleration strategies to enable faster video generation while maintaining output quality. It works as a unified system where both inference and post-training components are designed to work together, allowing developers to optimize their video generation pipelines at multiple stages.

FastVideo suits projects where video generation speed and resource efficiency are critical constraints. This includes applications with latency requirements, resource-limited deployment environments, or scenarios where generating many videos is necessary. The framework is particularly relevant for teams already working with diffusion-based video models who need to reduce inference time or improve training efficiency without completely replacing their existing infrastructure.

The project shows active development with regular commits and ongoing refinement of its acceleration techniques. The codebase demonstrates a focus on practical implementation details, with the framework structured to support multiple optimization strategies rather than a single approach. Development activity indicates sustained attention to both the core framework and its integration with popular diffusion model libraries.