wan-video/wan2.2

Wan: Open and Advanced Large-Scale Video Generative Models

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Summary Information

Updated 23 minutes ago
Added to GitGenius on September 3rd, 2026
Created on July 28th, 2025
Open Issues & Pull Requests: 297 (+0)
GitHub issues: Enabled
Number of forks: 2,228
Total Stargazers: 17,407 (+0)
Total Subscribers: 131 (+0)

Repository Insights (GitGenius)

Median issue/PR response: 20.4 hours
Mean response time: 15.0 days
90th percentile: 44.4 days
Tracked items: 195

How this project is maintained

Around half of the issues opened in the past year never receive a reply. 100% of open issues come from outside the core team, so the backlog reflects real-world use rather than internal planning. 85% of tracked open issues have had no activity in three months, so the open count overstates what is actively being worked. Only 4% of issues opened in the past year have been closed.

Charts & Analytics

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Issue Activity (beta)

Open issues: 254
New in 7 days: 3
Closed in 7 days: 0
Avg open age: 305 days
Stale 30+ days: 243
Stale 90+ days: 225

Recent activity

Opened in 7 days: 3
Closed in 7 days: 0
Comments in 7 days: 0
Events in 7 days: 0

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Most active issues this week

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Detailed Description

Wan2.2 is a large-scale video generative model that produces text-to-video and image-to-video content using diffusion-based architecture.

The tool addresses the challenge of generating high-quality video with complex motion while maintaining computational efficiency. It employs a Mixture-of-Experts architecture that separates the denoising process across timesteps using specialized expert models, increasing overall model capacity without proportional increases in computational cost. The model incorporates curated aesthetic training data with detailed labels for lighting, composition, contrast, and color tone, enabling precise control over cinematic style. A 5-billion-parameter variant uses an advanced VAE achieving 16×16×4 compression, supporting 720P resolution at 24 frames per second and running on consumer-grade graphics cards.

Developers should adopt this tool if they need open-source video generation with strong performance on motion complexity and aesthetic control. The 5B model suits projects requiring efficient inference on standard hardware while maintaining high output quality. The tool is positioned as competitive with both open-source and closed-source alternatives in performance benchmarks, though the README does not detail specific comparisons to other projects.

The project maintains a substantial base of external adopters, with nearly all open issues raised by outside users rather than the core team. Maintainers typically respond to new issues and pull requests within a day.