Seed Audio 1.0 vs Ultrademo

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

Seed Audio 1.0 compared with Ultrademo
Detail	Seed Audio 1.0	Ultrademo
What it does	AI audio generator for creating dialogue, music, sound effects, and complete sound scenes from text, image, or audio prompts	Studio-quality demo videos made from your real product by AI
Stage	Not given	MVP
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Freemium
Pricing	Free: 10 free credits (up to ~8 seconds per generation). Pro monthly: $19.99/month (2,500 credits, up to ~33 minutes). Max monthly: $49.99/month (7,500 credits, up to ~100 minutes). Pro yearly: $16.66/month billed annually (30,000 credits/year, up to ~400 minutes). Max yearly: $41.66/month billed an	The skill is free. The app is in early access with one free hosted video to start; pricing to be announced.
Key features	Multimodal input: text prompts, image references, and up to 3 audio references Multi-speaker dialogue generation with emotion and accent control Voice cloning from reference audio up to 30 seconds Background music and sound effects generated in one pass Audio generation up to 2 minutes per scene Image-guided voice generation from character appearance and traits Fine timestamp control over dialogue timing API access included with all paid plans Emotion and expressiveness control through natural language prompts	Creates videos from real product screens without stock footage Four video types: launch, explainer, spotlight and ad Multiple formats from one project: landscape, vertical and 15 or 30 second cuts AI writes story with hook, problem and resolution Checks every frame before showing the video Edit by commenting directly on the video Generates thumbnails in every platform size Only changed scenes are rebuilt when UI updates Works with Claude Code, Codex, Gemini CLI, Figma and ElevenLabs Free voices included with ElevenLabs integration
What makes it different	Complete sound scenes in one pass instead of separate tools for voice, music, and effects Built for production workflows beyond simple narration Coordinated multi-character dialogue without manual alignment and mixing Scene-level audio creation with ambience and music support	Free and open source with no per-video cost Runs on your computer using your own Claude plan Every format generated from one project automatically Smart rebuilding when product changes Professional voice and music mixing included
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)	32 −1 (down) since last check	11 +2 (up) since last check
Trust Flow (Majestic)	21	0
Citation Flow (Majestic)	33	15
Referring domains (Majestic)	145	6

5 details filled in for both companies.

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