Seed Audio vs MiniMax H3

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

Seed Audio compared with MiniMax H3
Detail	Seed Audio	MiniMax H3
What it does	Free AI audio generator and text-to-speech tool for creating voiceovers, multi-speaker conversations, music, sound effects, and complete audio scenes	2K video with native stereo audio in one pass
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free tier available. Monthly plans: Basic $9.9/mo (450 credits, ~15 audio minutes), Pro $19.9/mo (1,200 credits, ~40 audio minutes), Max $49.9/mo (3,600 credits, ~120 audio minutes). Annual plans save up to 50%. Credit packs at 30 credits/min for paid usage. All paid plans include commercial license	On the Hailuo AI App: free tier and paid monthly plans (rates listed in app). On MiniMax Open Platform: billed per output second, with 2K tier priced above 768p tier. On this site: 18 credits per second at 768p and 29 credits per second at 2K, with annual plans showing 50% discount and various month
Key features	Complete audio scenes with voices, emotion, dialogue, sound effects, music and atmosphere in single generation Multi-speaker dialogue for podcasts, dramas and character scenes Voice-guided creation using reference audio Story voiceovers with narration, emotion, pacing, music and atmosphere Cinematic sound scenes with sound effects, movement and space Max 2 minute audio per generation Pitch, speed and volume adjustment MP3 export and generation history Commercial use license Duration-based billing model	Multimodal reference input: images, video, and audio Context-IR token-based pricing variant Downloadable weights for local deployment H3-Contextual Omni Representation for modality bridging Up to 12 reference files with caption compression
What makes it different	One workspace for complete audio creation without separate voice tracks, sound libraries or manual mixing Reference audio guidance to control tone, style, rhythm and atmosphere Generate full audio scenes from single prompt No credit card required to start creating	Only model generating video and audio together natively 2K output at lower per-second rate than competitors Downloadable open weights available Accepts richer multimodal reference input than competitors
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)	19 +1 (up) since last check	15 −1 (down) since last check
Trust Flow (Majestic)	21	12
Citation Flow (Majestic)	12	21
Referring domains (Majestic)	84	43

5 details filled in for both companies.

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