Synthesia - AI Video Generator with Realistic Avatars

ℹ️

WhatAI Decision Box

✓

Best for:

Creating training, marketing, explainer, and onboarding videos quickly, teams needing consistent branding without filming, non-native speakers producing multilingual content.

✗

Not for:

High-end cinematic video production, live-action filming, or projects requiring complex scene choreography and special effects.

⇆ Often compared with

HeyGen Colossyan Elai.io.

ℹ️ WhatAI Field Note

Avatars look realistic and support natural gestures, but script quality directly affects delivery — clear, well-paced scripts produce better results.
Custom avatar creation requires a short video upload; results improve with good lighting and clear speech during recording.

Synthesia is a platform that generates videos by converting text scripts into spoken presentations featuring lifelike AI avatars. Users input a script, select or create an avatar, choose a language and voice, and the system produces a complete video with synchronized lip movements, gestures, and background elements.

About Synthesia

Synthesia is a platform that assists video creation by transforming text scripts into complete videos featuring AI-generated avatars. The system synchronizes lip movements, facial expressions, and gestures with spoken audio across multiple languages. It supports tasks such as selecting or creating avatars, writing or importing scripts, applying brand-consistent visuals, adding screen recordings or backgrounds, generating subtitles, and collaborating with team members. Additional functions include template-based video production, analytics on viewer engagement, API integration for automation, and enterprise-level security and compliance, all through a web-based editor.

Use Cases

Companies create training videos with Synthesiamarketers produce explainer videos using SynthesiaHR teams build onboarding content in Synthesiaeducators record lectures through Synthesiasales teams generate personalized outreach videos with Synthesia.

Pricing

Basic

• 1,200 credits/month (≈10 min video/month), 9 AI avatars, 160+ languages & voices, 60+ templates, limited royalty-free stock (Pexels/Soundstripe), Synthesia watermark, no downloads, no personal avatars, AI chat support only, content moderation (regular)

Starter

$29

• Annual: $18 per month
• Everything in Basic + remove watermark, video downloads, AI Video Assistant, AI Dubbing (deducts from credits), 125+ Synthesia AI avatars, 3 personal avatars, custom on-brand avatars (limited), royalty-free stock including Getty Images/Icons8, 1 editor + 3 guests, chat/email support

Creator

$89

• Annual: $64 per month
• Everything in Starter + 3,600 credits/month (≈30 min video/month), 5 personal avatars, multiple avatars per scene, interactive videos, branded video pages, API access (up to 360 min/year deducted from credits), 180+ Synthesia AI avatars, priority chat/email support, 1 editor + 5 guests

Enterprise

Custom

• Annual: Custom
• Everything in Creator + unlimited video minutes/credits, 1-click translations (80+ languages), 240+ stock AI avatars, unlimited personal avatars (reasonable use), live team collaboration, brand kits, SCORM export, SAML/SSO, dedicated Customer Success Manager, tailored onboarding, priority content moderation, custom # of editors/guests, advanced security & compliance

Pricing varies by plan and region — see current pricing.

Plan features change — last updated: 2026-03-24.

Details

Categories: Video & Animation

Skill Level: beginner

Access Methods: browser

Synthesia Community Discussions

Explore community discussions. Ask and answer questions on Synthesia to grow and learn together.

TrainingVideoTed_K · May 22, 2026 Synthesia Video & Animation

We replaced our entire internal training video process with Synthesia and here is an honest account of that

I run L&D for a mid-sized company. Our training video backlog had been growing for two years because producing them properly required booking a studio, coordinating with subject matter experts, editing, re-recording when something changed. The turnaround was weeks and the cost per video made us selective about what we even tried to produce. We switched to Synthesia six months ago and I want to give an honest account of what that change actually looks like. The AI Video Assistant is the starting point for most of what we produce now. You give it a web link, a PDF, a Word document or a text description of the topic and it generates a full script, selects appropriate scenes and produces a draft video. That draft always needs editing but it is a usable starting point in minutes rather than a blank slate. The avatar library covers over 150 options with genuine diversity across age, gender and ethnicity which matters for internal training that reaches a global workforce. The Micro-Gestures feature lets you insert specific expressions at points in the script, a nod, a head shake, a raised eyebrow, which makes the avatar feel less robotic in longer pieces. One-click translation into 120-plus languages with automatic lip-sync adjustment is the feature that changed things most dramatically for our international teams. A training video we produce once in English is available in the languages our regional offices need without a separate production run. Custom Avatars let you create a digital version of a specific person from a webcam or professional recording. We use this for content where a specific leader's presence matters. The honest limitation is that avatar-led video has a ceiling in terms of authenticity for emotionally significant content. For information transfer and process training it works well. For culture-sensitive messaging we still film people. The full feature walkthrough is at https://www.youtube.com/watch?v=ZEEIEs2ey_4 and it covers the translation and micro-gesture features which are the ones that most surprised us when we started using it seriously.

♥ 1 💬 2 👁 3 View 2 replies →

sasha_edits · May 17, 2026 Synthesia Video & Animation

5 minutes from script to professional avatar video in Synthesia

The promise of professional video in minutes usually involves compromises. Synthesia actually delivers: https://www.youtube.com/watch?v=8O-3-2dqPNI The quick tutorial shows the full process from text input to finished avatar video. The avatar quality at this speed is genuinely good enough for training content, internal communications and marketing materials. Would you use avatar videos instead of filming yourself for any category of content?

♥ 0 💬 0 👁 2 Reply →

SalesEnablement_Raj · Apr 21, 2026 Synthesia Video & Animation

Synthesia's AI Script Assistant writes and optimizes the video script before the avatar ever appears

Most posts about Synthesia focus on the avatars. I want to write about the AI Script Assistant because it is the feature that most improved the quality of what we produce rather than just the speed. The problem with using Synthesia for sales enablement content was not the avatar quality or the production speed. It was that the scripts we were feeding into it were not good. Sales messaging written by sales people tends to be too long, too feature-focused and poorly paced for a video format. The avatar delivered it faithfully and the result was technically professional-looking but not compelling. The AI Script Assistant in Synthesia analyzes your script and gives you suggestions for improving engagement. It flags sections that are too long, identifies where the narrative loses momentum, suggests restructuring for better viewer retention and rewrites passages that are not landing properly. It is not a generic grammar checker. It is giving you feedback specific to video script format and what keeps someone watching rather than clicking away. We now run every script through the Script Assistant before any production step. The time we spend on script quality upfront is paid back in content that actually performs when we publish it. Our average view completion rate on Synthesia-produced content improved noticeably after we started treating the script step seriously. The 120-plus language translation with lip-sync adjustment handles the localization step after we have a strong English script. The Script Assistant and its feedback mechanism are demonstrated at https://www.youtube.com/watch?v=vJBK626t0O4

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MaritaVa · Apr 16, 2026 Synthesia Video & Animation

I hate being on camera… is Synthesia actually good enough to replace me?

I’m exploring **Synthesia** for AI avatar videos because I don’t want to record myself all the time (and editing is a time sink). For people who’ve used it: - Does it feel “real enough” for ads/explainers/training? - What kind of videos does it work best for? - What’s the biggest thing that makes it look fake?

♥ 2 💬 0 👁 5 Reply →

nkemdi_x · Apr 9, 2026 Synthesia Video & Animation

Synthesia 3.0 avatars are noticeably better, here is what changed

The version 3.0 update is significant enough that people who tried Synthesia before and found the avatars unconvincing should take another look: https://www.youtube.com/watch?v=0C2nyZ48oM8 The showcase covers the updated avatars, improved scripting tools and the overall quality improvements that make the output feel more natural. The realism gap between previous versions and 3.0 is visible in the comparison clips. How do the new Synthesia avatars compare to what you have seen in previous versions?

♥ 0 💬 0 👁 3 Reply →

View All Synthesia Discussions

Gallery

Synthesia Showcase

4 items

We replaced our entire internal training video process with Synthesia and here is an honest account of that

TrainingVideoTed_K

5 minutes from script to professional avatar video in Synthesia

sasha_edits

Synthesia's AI Script Assistant writes and optimizes the video script before the avatar ever appears

SalesEnablement_Raj

Synthesia 3.0 avatars are noticeably better, here is what changed

nkemdi_x

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Exploring Synthesia for AI Video Creation: A Beginner Tutorial Overview

This Guide Walks Through Account Setup, Avatar Creation, Script Handling, and Video Editing in Synthesia

From the WhatAI editorial team, we selected this tutorial by Simon Crowe because it delivers a clear, methodical introduction to Synthesia for users who are new to AI video tools. The video follows a logical sequence, covering account setup on the starter plan, creating or customizing AI avatars (including the option to record a personal avatar using a webcam in a simple setup), cloning voices for narration, and generating videos from scripts or AI-assisted prompts that take into account objective, audience, and tone. It demonstrates core editing features such as swapping avatars between scenes, adjusting voice languages and accents, applying brand colors and logos, adding captions, incorporating stock footage, using transitions, and layering background music. The content also touches on export options and typical processing times. With well-organized timestamps and direct screen recordings, the tutorial focuses on the actual interface and workflow rather than promotional language, helping viewers assess whether Synthesia fits their needs for explainer videos, training materials, or straightforward presentations. We share this video because it provides a practical sense of the tool’s current capabilities and the steps involved. If AI-generated video is something you’re considering, watching the full tutorial gives a grounded view of how the process works.

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Synthesia Pros & Cons

Interface & Ease of Use

👍 Pro

Web-based platform with clean layout, text-to-video workflow, and AI Video Assistant that converts scripts, documents, or links into videos. No camera or editing skills required.

👎 Con

Some users note occasional need for script adjustments to achieve natural results; interface focused mainly on avatar-driven videos rather than full manual editing.

Avatar & Video Generation

👍 Pro

Offers 125+ to 230+ stock AI avatars (depending on plan), personal avatar creation, and expressive options with natural gestures and lip-sync. Supports studio-quality output.

👎 Con

Avatars can appear less expressive in highly emotional or dynamic scenes; results depend on input script quality and may require iterations.

Languages & Voice Support

👍 Pro

Supports 140–160+ languages with AI voices, dubbing, and translation features for global localization.

👎 Con

Advanced features like 1-click translation or full neural dubbing are limited to higher-tier plans; voice naturalness can vary by language.

Customization Options

👍 Pro

Allows branding (logos, colors, backgrounds), custom fonts, version control, and Avatar Builder for clothing and appearance adjustments.

👎 Con

Extensive personalization (e.g., fully custom avatars) is restricted to Enterprise plans or incurs additional costs.

Templates & Additional Tools

👍 Pro

Provides pre-designed templates, screen recording with auto-transcripts, and basic analytics (views, completion rates).

👎 Con

Template variety is functional but more limited compared to general video editing platforms; advanced scene editing is not the primary focus.

Integrations & Output

👍 Pro

SCORM export for LMS, video embedding, API access (higher plans), and export in standard formats.

👎 Con

SCORM and certain enterprise integrations (SAML/SSO) are available only on higher tiers; no full mobile app for on-the-go creation.

Collaboration Features

👍 Pro

Real-time shared workspaces, commenting, and reviewing tools for team use.

👎 Con

Full team collaboration and multiple editors are more fully supported on Creator and Enterprise plans.

Pricing Structure

👍 Pro

Free plan with limited minutes and avatars; paid plans (Starter ~$18–29/mo annual, Creator ~$59–89/mo annual) increase video minutes, avatars, and features. Enterprise custom.

👎 Con

Video creation is limited by monthly/annual minute allowances; higher-volume use or custom avatars can increase costs significantly (custom avatars often ~$1000/year each).

Overall Suitability

👍 Pro

Designed for creating consistent AI avatar videos for training, internal communications, sales enablement, and localized business content.

👎 Con

Best suited for talking-head or scripted informational videos; less ideal for highly creative, cinematic, or non-avatar-based video production.

Synthesia — Frequently Asked Questions

How does Synthesia create videos?

Synthesia converts a written script into spoken video using AI avatars that lip-sync and gesture naturally, with options for backgrounds, templates, and branding.