Seed Audio vs sync.

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 sync.
Detail	Seed Audio	sync.
What it does	AI text to speech and voice generator for realistic, multilingual speech	AI lip sync, dubbing and talking video for Claude Code, Codex, Cursor and other agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	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	Free tier: 3 free video generations per month (up to 15 seconds each), 10 monthly audio generations. Paid plans on legacy usage billing: Hobbyist ($6 invoice threshold, $0.04-$0.05/sec lipsync-2), Creator ($20 threshold, $0.067-$0.083/sec lipsync-2-pro), Growth ($50 threshold), Scale ($250 threshold
Key features	Up to 1,000 characters per conversion on paid plans Voice model creation and storage	Lip-sync videos to new audio or typed scripts Make photos, portraits and characters talk Add dialogue to AI-generated video clips from Veo, Kling, Sora Dub videos into other languages with matching lips Edit or remove spoken words in original voice Localize campaigns across multiple markets Batch lip-sync CSV rows or folders resumably Build sync. into apps with REST API and SDKs Integration with Claude Code, Codex, Cursor and other agents Cost estimation and approval before paid work
What makes it different	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	Agent-first approach: works natively with Claude Code, Codex, Cursor and other AI agents Plain language commands: describe what you want and the agent picks the matching skill Always-approved billing: costs quoted before paid work with user approval required Complete end-to-end workflow: from lip-sync to dubbing to localization to API integration
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)	27 −1 (down) since last check	67 +1 (up) since last check
Trust Flow (Majestic)	6	12
Citation Flow (Majestic)	24	42
Referring domains (Majestic)	101	1145

5 details filled in for both companies.

More alternatives to Seed Audio More alternatives to sync.