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	Not given	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	Freemium	Freemium
Pricing	Free credits to start. Subscriptions: Basic $15/month ($180/year, 300 credits/month), Pro $39/month ($468/year, 1600 credits/month), Max $160/month ($1920/year, 9200 credits/month). Credit packs available at $5.00 per 100 credits (Basic rate) down to $1.74 per 100 credits (Max annual rate).	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	Native stereo audio generation with lip sync Omni-reference support for images, video, and audio Instruction-based editing for characters, objects, backgrounds 4-15 second clip duration 768P and 2K resolution output Up to 7,000 character prompt capacity Support for up to 12 total reference files 32 kHz native stereo audio First and last frame image-to-video Free credits included with sign-up	Up to 1,000 characters per conversion on paid plans Voice model creation and storage
What makes it different	Official MiniMax V2 API with confirmed multimodal support Native audio generation integrated with video for reduced post-sync needs Unified credits system across video and image generation modes Independent platform with transparent pricing and no setup fees Supports multiple reference input formats for creative control	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)	34 −1 (down) since last check	27 −1 (down) since last check
Trust Flow (Majestic)	10	6
Citation Flow (Majestic)	30	24
Referring domains (Majestic)	174	101

4 details filled in for both companies.

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