Skip to main content
NexoraLaunch home

Build log live

SeedAudio vs Synthesys

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

SeedAudio compared with Synthesys
DetailSeedAudio logo SeedAudioSynthesys logo Synthesys
What it doesAI audio generator for creating dialogue, music, ambience and sound effects from scene prompts AI video agent for marketing teams that creates ads, UGC and commercials in minutes
StageNot given Established
FoundedNot given 2020
Based inNot given GB
Pricing modelFreemium Paid
PricingFree plan with 10 free credits. Pro: $19.99/month (monthly) or $199.90/year (30,000 credits/year); Max: $49.99/month (monthly) or $499.90/year (90,000 credits/year). Credit packs also available. Starter $29/month or $240/year (3,500 credits), Pro $59/month or $492/year (8,000 credits), Agency $119/month or $996/year (17,000 credits), Max from $199/month or $1,668/year (30,000 credits). Yearly billing saves 30%. A 15-second UGC ad costs about 400 credits, a TV commercial about 647 credits, a
Key features
  • Multi-speaker dialogue generation with emotional tone and timing control
  • Scene ambience and background music composition
  • Voice cloning with audio reference guidance
  • Image and audio reference inputs for contextual generation
  • Output format customization: WAV, MP3, PCM, OGG Opus
  • Adjustable sample rate from 8 kHz to 48 kHz
  • Speed, volume and pitch controls on generated audio
  • API access for Pro and Max plan holders
  • Up to 2 minutes maximum audio duration per generation
  • Preset voices including Vivi 2.0, Sophie 2.0, Monkey King 2.0, Magnus and Celeste
  • Multi-model AI orchestration routing tasks across Sora 2, Google VEO, Kling, and Wan 2.5
  • 1,000+ AI avatars with realistic lip-sync
  • Voice cloning from 10 seconds of audio
  • 140+ languages supported
  • 11 video formats including UGC ads, commercials, and animated stories
  • Auto-generate scripts and voiceovers
  • Brand Kit to apply logos, colors, and products to videos
  • Winning video ads library with competitor tracking
  • Publish and schedule to TikTok, Instagram, and Facebook
  • Full commercial rights on every plan
What makes it different
  • All-in-one audio generation combining dialogue, music, ambience and effects in a single mixed track
  • Scene-first workflow directing complete audio narratives rather than separate speech generation
  • Powered by ByteDance's Seed Audio 1.0 model for professional-quality audio generation
  • Multimodal input supporting text prompts combined with images or multiple audio references
  • Voice cloning capability using authorized audio references to guide vocal character and delivery
  • 90% cheaper and 10X faster than traditional video production
  • Multi-model orchestration automatically selects optimal AI model for each task
  • One subscription replaces the cost and timeline of traditional video production
  • Trusted by global enterprise teams including Coca-Cola and Yahoo
  • Over 1,000,000 videos generated for 50,000+ users since 2020
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)2 no change since last check69 −1 (down) since last check
Trust Flow (Majestic)015
Citation Flow (Majestic)1841
Referring domains (Majestic)72126

5 details filled in for both companies.

More alternatives to SeedAudio More alternatives to Synthesys

Ask a question