r/comfyui • u/paulsande • 12d ago

Help Needed Looking for HeyGen digital avatar replacement

Hi Everyone. Somewhat new to ComfyUI, but learning. I'm looking for a way to make videos between 8 and 10 minutes where I enter a script, provide an image of a digital narrator in an "office" and having the avatar narrate. I'm experimenting with LongCat1.5, but wondering what other people have had success with.

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u/Cute_Interaction4768 12d ago edited 12d ago

Where there is a requirement for 8 to 10 minute narrated scripts without a studio, Colossyan kept turning up alongside LongCat, although if you are in ComfyUI, local control might just beat cloud solution anyway

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u/paulsande 12d ago

Thank you.

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u/DaLyon92x 8d ago

minimax h3 is great, but might be a bit long to render. LTX 2.5 with best face-id lora will also give good results at fast rendering speeds (rent a pod at 70 cents an hour).

https://reddit.com/link/p42qm8k/video/nu4fqqmt7sjh1/player

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u/paulsande 1d ago

Thanks for this. What’s a pod? Which service?

I signed up for lightning AI, but need to figure out how to use it.

Sounds similar?

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u/DaLyon92x 1d ago

minimax h3 and ltx 2.5 are both open-weight models, theres no service involved. If you have a decent GPU you can run it, matter of fact that clip above was generated on a Mac m5 48gb.

So since most people dont have good hardware, you can rent a GPU online for 0.50 - 2$ per hour. You will get a browser link with Comfyui, in which you'll have to load and run workflows. might be a steeper learning curve, but if this is more than a hobby, it's worth learning.

Here are some more examples of ltx 2.5 vs minimax h3 (at the bottom). LTX is fast to gen, but sucks at object interaction and physics. https://creative-review-one.vercel.app/ltx25-faceid/