CogVideoX (Tsinghua) Review
A research-grade open-source model that runs on prosumer GPUs.
Try CogVideoX free →Bottom line
CogVideoX is an accessible research model: Apache 2.0 for the code and 2B model (the 5B models use the CogVideoX License) and runnable on 16GB VRAM. Quality and tooling sit below Wan 2.2 among the open-source options.
Quick facts
Who it’s for
Best for
- Developers with a 16GB+ VRAM GPU who want an accessible open-source model
Not for
- Anyone wanting hosted or beginner-friendly workflows
Pros and cons
Pros
- Apache 2.0 code and 2B model (5B models under the CogVideoX License)
- Runs on 16GB VRAM
Cons
- Research-oriented
- Mid-tier quality
CogVideoX is free and open source, and runs on a 16GB+ VRAM consumer GPU.
Try CogVideoX free →How we scored it
The GraiLogic score measures output quality only: expected win rate against a typical text to video model – early data, the number may still move. Source: named public reviews, scored by GraiLogic, checked 11 Oct 2026. Ease of use and value for money are our own editorial judgement and are shown for context only; they do not change the score or the rankings. Full methodology →
Our verdict
CogVideoX is an accessible research model: Apache 2.0 for the code and 2B model (the 5B models use the CogVideoX License) and runnable on 16GB VRAM. Quality and tooling sit below Wan 2.2 among the open-source options.
On the plus side: Apache 2.0 code and 2B model (5B models under the CogVideoX License); Runs on 16GB VRAM.
The main trade-offs to weigh: Research-oriented; Mid-tier quality.
Alternatives worth a look
Google Veo
53/100Strong photorealism with native generated audio — if you can get access.
Sources disagree
Runway
46/100The professional’s choice: top-tier quality with the deepest editing toolset, at the cost of a learning curve.
One source
Luma Dream Machine / Agents
44/100A cinematic multi-model aggregator that bundles several engines under one roof.
One source
These scores are on the same text to video scale as the score above, so they are directly comparable.