Open Video Models: License Restrictions and VRAM Requirements Compared
Mysterious_Sign_9501 · reddit · 2026-08-03
A developer shared a practical comparison table of licenses and VRAM needs for popular open-source video models, noting that licensing details are frequently misunderstood.
- Licensing constraints: HunyuanVideo's community license excludes the EU, UK, and South Korea entirely and requires branding. CogVideoX-5b requires registration if monthly visits exceed 1 million.
- VRAM and deployment costs: Wan 2.1 14B requires 56 GB VRAM. LingBot-Video-MoE's 1080p refiner actually loads a second 30B-A3B transformer, doubling the deployment footprint (measured at 175 GiB on a B200) and taking up 185.9 GB of disk space.
- Takeaway: Models with the most permissive licenses (Apache 2.0) often have the most demanding hardware footprints, requiring a balance between legal compliance and compute costs.
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