Lacuna 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.

Lacuna compared with Seedream Pro
Detail	Lacuna	Seedream Pro
What it does	AI song generator that turns ideas or lyrics into complete songs with vocals, then lets you remix, extend, split stems, and master on one canvas	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: 120 credits per month, no card required. Basic: $114/year (or $9.50/month), 2,500 monthly credits. Pro: $294/year (or $24.50/month), 7,500 monthly credits, includes downloadable license PDF. Ultra: $594/year (or $49.50/month), 25,000 monthly credits, includes downloadable license PDF and unlim	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	Generate complete songs with AI vocals, lyrics, melody, and instrumentation in any genre Multiple AI models: Aether (wide styles), Reverie (lyrics sung exactly as written), Echo (structured songs), Cadence (melody-based) Remix, extend, and rewrite specific sections while keeping lyrics time-aligned Split tracks into 2, 4, or 6 stems (vocals, drums, bass, instruments) AI mastering on the same canvas with reference sound matching Train and use your own singing voice on new songs or swap onto existing tracks Hum a melody or upload MIDI file to build a full song around it Add instrumentation to a vocal or vocals to a beat Support for 10+ vocal languages with Reverie model Commercial license included on all paid plans; Pro and Ultra include downloadable license certificate	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	Can edit specific sections on the waveform without regenerating the entire song Available in 9 languages for global audience Works for producers, songwriters, content creators, and independent artists without requiring music knowledge	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 +1 (up) since last check	30 +1 (up) since last check
Trust Flow (Majestic)	15	4
Citation Flow (Majestic)	35	28
Referring domains (Majestic)	191	122

5 details filled in for both companies.

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