Seedream 4.0 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.

Seedream 4.0 compared with Seed Audio
Detail	Seedream 4.0	Seed Audio
What it does	Next-generation AI image generator and editor for ultra-fast 2K image creation	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 plan with credits included upon sign-in. Basic plan: $9.9/month (was $19.9/month), includes 12,000 credits/year (~600 images or 300 videos). Pro plan: $23.9/month (was $47.9/month), includes 36,000 credits/year (~1,800 images or 900 videos). Enterprise plan: $63.9/month (was $127.9/month), incl	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	Ultra-fast 2K image generation in approximately 1.8 seconds Unified text-to-image generation, image editing, and enhancement in single workflow Support for up to 6 reference images for precise editing Coordinated generation of up to 9 images simultaneously Batch generation with intelligent variation control Native bilingual support for Chinese and English prompts Watermark-free image and video downloads Commercial use license included in all plans Access to all image and video models Permanent data storage for generated content	Up to 1,000 characters per conversion on paid plans Voice model creation and storage
What makes it different	Lightning-fast 2K rendering in approximately 1.8 seconds using Mixture of Experts architecture All-in-one platform unifying text-to-image generation and sophisticated editing without tool switching Multi-reference precision allowing up to 6 reference images and generation of 9 visuals at once Batch creation system producing multiple coordinated images while cutting resource use Native bilingual support for both English and Chinese prompts with cultural context understanding	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)	29 no change since last check	27 −1 (down) since last check
Trust Flow (Majestic)	4	6
Citation Flow (Majestic)	25	24
Referring domains (Majestic)	58	101

5 details filled in for both companies.

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