MiniMax H3 vs Seed Audio

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

MiniMax H3 compared with Seed Audio
Detail	MiniMax H3	Seed Audio
What it does	Create 4–15 second videos from text, frames, and multimodal references with output up to 2K	AI text to speech and voice generator for realistic, multilingual speech
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Freemium
Pricing	Starter: $9.90 one-time for 370 credits (up to 5 five-second 2K videos). Creator: $29.90 one-time for 1,300 credits (up to 18 five-second 2K videos). Studio: $49.90 one-time for 2,500 credits (up to 35 five-second 2K videos). Business: $99.90 one-time for 5,550 credits (up to 79 five-second 2K video	Basic: $4.95/month billed yearly (was $9.9/month), includes 960,000 TTS characters/year and 9,600 voice credits. Pro: $14.95/month billed yearly (was $29.9/month), includes 4,200,000 TTS characters/year and 42,000 voice credits. Enterprise: $24.95/month billed yearly (was $49.9/month), includes 9,60
Key features	Text-to-video generation from written prompts First and last frame control for guided video creation Multimodal reference support with images, videos, and audio Camera and motion control in prompts 4–15 second video duration options Up to 2K resolution output Support for JPG, PNG, WEBP, HEIC, and HEIF image formats Support for MP4 and MOV video formats Support for WAV and MP3 audio formats Watermark-free downloads	Up to 1,000 characters per conversion on paid plans Voice model creation and storage
What makes it different	Multimodal workflows combining text, images, videos, and audio for precise creative direction One-time credit purchases with no recurring subscription fees Purchased credits that never expire Independent platform offering flexible credit-based pricing	Fast generation allows instant iteration and regeneration of single lines Shared credits across text to speech, voice design, and voice cloning Consent-first voice cloning with private voice models No infrastructure management required, API handles all production needs
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)	39 −1 (down) since last check	27 −1 (down) since last check
Trust Flow (Majestic)	24	6
Citation Flow (Majestic)	27	24
Referring domains (Majestic)	142	101

5 details filled in for both companies.

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