Synthesia

Synthesia is an AI avatar/presenter video platform that turns text, scripts, or documents into videos featuring AI avatars, without needing cameras, actors, or a studio. It offers more than 240 stock AI avatars speaking over 160 languages, along with 1,000+ AI voices, one-click video translation with lip-sync, and an AI Video Assistant that can turn a document or link into a video script automatically.

Who It’s Best For

Synthesia is built primarily for corporate learning and development, sales enablement, compliance training, employee onboarding, and internal communications, rather than general creative video production. Synthesia’s own site states it’s used by more than 50,000 companies including most of the Fortune 100, a claim attributed to Synthesia’s own marketing.

How It Can Be Used

Producing corporate training and onboarding videos from written content
Translating existing videos into other languages with automatic lip-sync
Creating sales enablement and product explainer videos
Building internal communications and compliance training content
Turning documents or scripts into video automatically with the AI Video Assistant

FAQ

What is Synthesia?

Synthesia is an AI avatar/presenter video platform that generates videos with AI avatars from text, scripts, or documents.

What is Synthesia used for?

Companies use it for corporate training, onboarding, sales enablement, compliance training, and internal communications videos.

Does Synthesia have a free plan?

Yes. The Basic (free) plan includes 1,200 one-time credits, 9 AI avatars, and 1 editor seat.

Who should use Synthesia?

Corporate training, HR, and marketing teams that need presenter-led videos without filming real people.

What are alternatives to Synthesia?

HeyGen, D-ID, and Colossyan are commonly cited as direct alternatives for AI avatar video generation.

Key Features

Pros and Cons

Screenshots

Pricing

Credit-based subscription shared across video, dubbing, and asset-generation features, billed monthly or at a discount annually; a custom-priced Enterprise tier is also available.

Basic (Free): $0/month, includes 1,200 credits/month (about 10 minutes of video, 10 minutes of AI dubbing, or 25 AI-generated assets), 1 editor seat, no credit card required. Starter: $29/month, or $18/month billed yearly ($264/year) — includes 14,500 credits/year (about 120 minutes of video/year), 125+ AI avatars, 1 editor plus 3 guests, logo removal, and AI Dubbing. Creator: $89/month, or $64/month billed yearly ($804/year) — includes 44,000 credits/year (about 360 minutes of video/year), 5 personal avatars, 180+ AI avatars, API access, and interactive videos, with 1 editor plus 5 guests. Enterprise: custom pricing (requires a sales demo), with unlimited video minutes, unlimited personal avatars, SSO, and a dedicated customer success manager. Confirmed directly from Synthesia’s official pricing page.

Alternatives

Synthesia's closest alternatives are other AI avatar/presenter video platforms such as HeyGen, D-ID, and Colossyan, rather than general video generation tools like Runway, which serves a different creative-video use case.

Overview