Z-Image vs Seedream Pro

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

Z-Image compared with Seedream Pro
Detail	Z-Image	Seedream Pro
What it does	Free AI image generation platform with lightning-fast creation	ByteDance Seedream AI image and Seedance video generator in one studio
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: 10 credits per day. Premium: $7/month (2,000 credits per month) or $2.45 per 1,000 credits annually. Elite: $12/month (5,000 credits per month) or $1.98 per 1,000 credits annually. Video Pro: $50/month (25,000 credits per month for video generation). Pay as you go also available at $3.50 per 1	Free: 10 credits for new accounts, valid 30 days. Basic: $8.3/month (billed yearly at $100/year, 2,400 credits per 12 months). Pro: $30/month (billed yearly at $360/year, 21,600 credits per 12 months). Business: $49.9/month (billed yearly at $599/year, 48,000 credits per 12 months). One-time Credit
Key features	AI Image Generation from text prompts 4K print-quality output Bilingual prompt support in English and Chinese Image editing with natural language Prompt extraction from images Creative Engine for prompt expansion Multiple AI models including GPT Image 2 and Qwen Image 3 Video generation with AI Hundreds of artistic styles 2-5 second generation speed	Five Seedream versions in one studio: 5.0 Pro, 5.0 Lite, 4.5, 4.0 and 3.0 Text-to-image generation with prompts up to 5,000 characters Image editing with up to 14 reference images Layer decomposition to split images into separate elements Up to 4K resolution on Basic and higher plans Eight aspect ratios including ultrawide 21:9 banners Seedance video generation with seven versions and motion generation Commercial use support through Business-level access Free plan with 10 credits for 30 days, no credit card needed
What makes it different	Lightweight 6B parameter model optimized for fast generation 37% better Chinese language accuracy than alternatives DiT architecture optimization for flagship quality Open-source model that can run locally Actually free with transparent pricing and clear safety rules	Access to five Seedream versions in one interface without switching platforms Up to 14 reference images for image editing, the largest edit input among versions Integrated Seedance video studio to turn stills into clips without leaving the platform Transparent credit system showing cost before generation with automatic refund on failure
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)	30 no change since last check	30 +1 (up) since last check
Trust Flow (Majestic)	13	4
Citation Flow (Majestic)	31	28
Referring domains (Majestic)	158	122

5 details filled in for both companies.

More alternatives to Z-Image More alternatives to Seedream Pro