FastH3 Omni vs Synthesys

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 Synthesys
Detail	FastH3 Omni	Synthesys
What it does	AI video generation with synced audio from reference images and text prompts	AI video agent for marketing teams that creates ads, UGC and commercials in minutes
Stage	Not given	Established
Founded	Not given	2020
Based in	Not given	GB
Pricing model	Paid	Paid
Pricing	Not given	Starter $29/month or $240/year (3,500 credits), Pro $59/month or $492/year (8,000 credits), Agency $119/month or $996/year (17,000 credits), Max from $199/month or $1,668/year (30,000 credits). Yearly billing saves 30%. A 15-second UGC ad costs about 400 credits, a TV commercial about 647 credits, a
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	Multi-model AI orchestration routing tasks across Sora 2, Google VEO, Kling, and Wan 2.5 1,000+ AI avatars with realistic lip-sync Voice cloning from 10 seconds of audio 140+ languages supported 11 video formats including UGC ads, commercials, and animated stories Auto-generate scripts and voiceovers Brand Kit to apply logos, colors, and products to videos Winning video ads library with competitor tracking Publish and schedule to TikTok, Instagram, and Facebook Full commercial rights on every plan
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	90% cheaper and 10X faster than traditional video production Multi-model orchestration automatically selects optimal AI model for each task One subscription replaces the cost and timeline of traditional video production Trusted by global enterprise teams including Coca-Cola and Yahoo Over 1,000,000 videos generated for 50,000+ users since 2020
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	69 −1 (down) since last check
Trust Flow (Majestic)	0	15
Citation Flow (Majestic)	0	41
Referring domains (Majestic)	0	2126

4 details filled in for both companies.

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