Synthesia★

For companies that need video — training, onboarding, marketing — the old options were brutal: studios, actors, cameras, reshoots, and a budget that hurt. Synthesia removed the entire film set. Type a script, choose an AI avatar, and get a professional video where a realistic presenter speaks your words in your language. No camera. No actors. No studio day.

This guide covers what Synthesia is, who it serves, its pricing, and where it fits (and doesn’t).

What is Synthesia?

Synthesia is an AI video platform for avatar-presented videos. It combines:

• AI avatars — realistic digital presenters (hundreds built-in, plus custom avatars).
• Text-to-speech — natural voices across 140+ languages and accents.
• A script-based studio — edit video by editing text, not by reshooting.

It’s the category leader for corporate AI video, used by thousands of companies for training, onboarding, product demos, and internal communications.

How Synthesia works

1. Write a script in the studio’s text editor.
2. Choose an avatar — from the library or a custom avatar of your own.
3. Pick a voice and language — or use auto-translation for multilingual output.
4. Add slides and media — screen recordings, images, and branding.
5. Generate — Synthesia renders the video, usually in minutes.

The genius is that the script is the video. When content changes, you edit text and regenerate — no reshoots ever.

Key features

Realistic AI avatars

Hundreds of built-in presenters plus custom avatars from your own footage.

140+ languages

The same video in dozens of languages with localized voices.

Script-based editing

Update video content by editing the script — huge for versioned training content.

Templates and branding

On-brand scenes, layouts, and company styles.

Media integration

Insert screen recordings, images, and other visuals into the video.

Team collaboration

Workspaces, review, and approval for teams.

Who is Synthesia for?

• Learning & development teams producing training and onboarding at scale.
• Marketing teams making product explainers and demos.
• Global companies needing multilingual video without dubbing studios.
• Anyone who needs talking-head video without appearing on camera.

Pricing

Synthesia is paid: a free plan lets you create a small number of demo videos, and paid plans (Starter, Creator, Enterprise) provide monthly video minutes, more avatars, custom avatars, and team features. Video allowances are the key metric — heavy producers should compare plans carefully. Check the current pricing at synthesia.io.

Advantages

• No filming required — script to video in minutes.
• Multilingual at scale — 140+ languages without dubbing.
• Easily updatable — edit the script, not the footage.
• Professional quality — polished corporate-standard output.
• Team workflows — built for organizations, not just individuals.

Limitations and honest considerations

• Cost — paid product; minutes-based pricing suits planned volume.
• Not cinematic — it’s a presenter avatar, not artistic video generation.
• Avatar realism varies — very close inspection still reveals it’s AI.
• Tone limits — it suits training and explainers better than emotional, human storytelling.

Alternatives and comparisons

Competitors include HeyGen, D-ID, and Colossyan, each with similar avatar-video approaches. For artistic AI video (not presenters), see Runway or Veo 3. Synthesia’s edge is its corporate polish, language coverage, and team tooling. Browse more in Video & Audio.

The bottom line

Synthesia solved a real business problem: companies need talking-head video at scale, and filming doesn’t scale. With script-based editing, custom avatars, and 140+ languages, it’s the standard choice for corporate AI video. If your team produces training or product content, a demo video will tell you within minutes whether it replaces your next shoot.

Tip: Write the script conversationally before touching the platform — the best Synthesia videos read like a person talking, not a document being read aloud.

Official resource: Synthesia