FastH3 Omni vs CastRemix

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

FastH3 Omni compared with CastRemix
Detail	FastH3 Omni	CastRemix
What it does	AI video generation with synced audio from reference images and text prompts	AI video character swap. Give the scene a new lead.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Freemium
Pricing	Not given	Starter: $9.9 USD/month for 500 credits; Creator: $29.9 USD/month for 1,800 credits; Studio: $99.9 USD/month for 6,500 credits. Monthly or yearly plans available with 2 months free on yearly subscriptions. Credits renew automatically each billing period.
Key features	Up to 9 reference images per generation Up to 3 audio references per generation 5 fixed video lengths from 5.875 to 14.375 seconds 4 aspect ratios (16:9, 1:1, 9:16, 4:3) 24 fps frame rate Real-time rendering for first 3 reference images First and last frame control MP4 output saved for 7 days Text prompt with reference naming Automatic credit refund for failed generations	Upload character photo and reference video Video templates for quick remakes Text prompt editor with reference mentions Credit quote before generation Private video storage and downloads Multiple output resolutions Flexible aspect ratios Credits returned on generation failure
What makes it different	Synced audio and video in a single generation pass 8-step distilled model for fast generation in browser No installation or GPU required	Reference-led generation with review before final output Clear inputs with honest example verification Private uploads and generated videos Support for multiple reference clips and images
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	4 +4 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	0
Referring domains (Majestic)	0	1

4 details filled in for both companies.

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