Synthesys vs PixExtender

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

Synthesys compared with PixExtender
Detail	Synthesys	PixExtender
What it does	AI video agent for marketing teams that creates ads, UGC and commercials in minutes	AI Image Extender - Expand Images to Any Size
Stage	Established	Not given
Founded	2020	Not given
Based in	GB	Not given
Pricing model	Paid	Freemium
Pricing	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	Free credits on signup. Monthly subscriptions: Basic $8.3/month (2400 Credits, up to 1200 images, max 2000x2000), Creator $20.8/month (6600 Credits, up to 3300 images, max 3000x3000), Master $41.6/month (14400 Credits, up to 7200 images, max 4096x4096). Yearly plans: Basic $99/year, Creator $249/yea
Key features	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	Seamless image expansion with AI-generated matching backgrounds Expand images up to 4096x4096 pixels without quality loss Batch process up to 20 images at once with consistent results Platform presets for Instagram, Pinterest, YouTube, Facebook, LinkedIn, Twitter Custom aspect ratio and dimension selection Support for JPG, PNG, and WEBP formats Original image content stays pixel-for-pixel untouched Content-aware outpainting preserves subject position Export ready-to-use files in exact dimensions
What makes it different	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	Seamless, natural results that look like original photos without visible seams or stretched pixels Batch processing of up to 20 images with one-click consistency No design skills or complex tools required Free credits for new users to start immediately Designed for multiple use cases: creators, e-commerce, photographers, and everyday fixes
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)	69 −1 (down) since last check	24 −1 (down) since last check
Trust Flow (Majestic)	15	5
Citation Flow (Majestic)	41	26
Referring domains (Majestic)	2126	97

5 details filled in for both companies.

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