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	Turn text, images, audio, and clips into cinematic videos with native sound	Free AI audio generator and text-to-speech tool for creating voiceovers, multi-speaker conversations, music, sound effects, and complete audio scenes
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Not given	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
Key features	Multimodal input: up to 9 images, 3 videos, 3 audio tracks Native stereo audio and voice cloning Instruction-based video editing with pixel stability Multiple aspect ratios: 21:9, 16:9, 4:3, 1:1, 3:4, 9:16 Output up to 1440p resolution at 24 FPS Character continuity and on-model consistency Accurate on-screen text, logos, and UI rendering Commercial usage rights on paid plans	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
What makes it different	Truly multimodal: combines up to 12 files (images, video, audio) in one coherent generation Precise editing with pixel stability: change one element while keeping the rest untouched Commercial-grade output with accurate text and product details for ads and e-commerce Free to start with no credit card required	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
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)	29 −1 (down) since last check	17 no change since last check
Trust Flow (Majestic)	24	21
Citation Flow (Majestic)	30	12
Referring domains (Majestic)	150	84

4 details filled in for both companies.

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