LTX-Video (Lightricks)
Leading#5 in Open sourcehigh confidence
Lightricks' real-time DiT video model (~10.7k GitHub★) — notable for fast, production-capable generation and active releases.Our read
Why it ranks #5
Roughly 10.7k GitHub stars and recognition in the cited open-model comparison distinguish LTX-Video for unusually fast generation and active production-oriented releases.Here is the catch
best performance still needs modern GPUs
fast modes trade some detail and consistency
model/version choices can be confusing
Does this well
much faster inference than many large open models
active releases and ecosystem integrations
practical for iterative production workflows
Pricing
Checked by hand on 2026-07-23. Prices in this category change often — if this looks wrong, it probably is.
Key features
Fast text and image-to-videoAudio-video generation in newer variantsMulti-scale renderingDiffusers and ComfyUI workflows
Quick facts
More in this area
The rest of the Open source column.- 1Open-Sora (hpcaitech)The category-defining open-source video generator (~29k GitHub★) — text/image-to-video with performance comparable to HunyuanVideo on VBench.
- 2Wan (Alibaba, Wan2.2)Alibaba's Wan (~16.8k GitHub★) — widely regarded as the strongest open-weight text-to-video model; 1.3B variant runs on 8GB VRAM.
- 3HunyuanVideo (Tencent)Tencent's 13B open video model (~12.4k GitHub★) — a benchmark reference for open-source cinematic text-to-video quality.
- 4CogVideo / CogVideoX (Zhipu)Apache-2.0 CogVideoX (~12.9k GitHub★) — loads natively in HF Diffusers, strong prompt following and smooth frames; a go-to for developers.
- 6Mochi 1 (Genmo)Genmo's Apache-2.0 Mochi 1 (~3.7k GitHub★) — a recognized open text-to-video model, lower adoption than the leaders above.
- 7HBAI-Ltd/Toonflow-appOpen-source desktop app that turns a novel or script into an animated short drama, chaining AI screenwriting, storyboarding and shot generation.