ElevenLabs vs Synthesia

A spec-by-spec comparison of ElevenLabs and Synthesia: pricing, free tier, clip length, resolution, watermark, commercial use and API access.

ElevenLabsSynthesia
PricingFree plan · from $6/moFree plan · from $29/mo
Free tier10,000 credits/month; dubs are watermarked10 min of video or dubbing per month plus 500 credits; watermarked, share-link only
Max clip length180 min per file (automatic dubbing in app); 45 min in Dubbing Studio
Max resolutionOutput usually 1080p (accepts up to 4K source)1080p
Watermark on free planYesYes
Commercial usePaid plansAll plans (free videos are watermarked and cannot be downloaded)
Developer APIYesYes
Open sourceNoNo

ElevenLabs is a voice AI platform best known for text-to-speech, and its dubbing tool translates video and audio into 90+ languages while keeping each speaker's voice and the background audio. Dubbing, TTS, voice cloning and sound tools all draw from one credit pool, and everything is exposed through an API. It suits creators and companies localizing video or adding voiceovers.

Best for
  • Keeps original speaker voices and background audio when dubbing
  • Long files supported (up to 180 minutes per dub)
  • Dubbing API alongside the full voice toolset
Watch out for
  • No visual lip-sync; dubbed video is a preview-quality output
  • Dubbing is credit-heavy (2,000-3,000 credits per minute automatic)
  • Commercial license starts at the $6 Starter plan, not free
Visit ElevenLabs

Synthesia generates presenter videos from text using 125-240+ stock avatars or personal avatars, with dubbing into 70-140+ languages. It is built around corporate training: SCORM export, interactive videos, roleplay sessions and an AI agent called Syren. It is a good fit for L&D, HR and enablement teams in larger companies.

Best for
  • Recurring free allowance of 10 minutes of video/dubbing per month
  • Dubbing with voice preservation and optional lip-sync
  • Strong L&D tooling: SCORM export, quizzes, branching
Watch out for
  • MP4 download and logo removal require a paid plan
  • Starter adds only ~12 extra video minutes on top of the free allowance
  • Lip-sync dubbing uses 2x credits
Visit Synthesia

Specs last verified 2026-10-23 (ElevenLabs) and 2026-10-23 (Synthesia). See each tool page for sources.