Overview

Synthesia is a video creation platform that uses AI to transform text into professional videos featuring realistic digital avatars. Users can create content without traditional filming equipment, making it suitable for training materials, marketing campaigns, and internal communications. The platform supports over 160 languages and offers 230+ avatars with advanced features like Express-2 avatars that gesture naturally, Personal Avatars that look and sound like you, AI Playground with latest AI models, interactive video capabilities with quizzes and branching, Roleplay Sessions for skills practice, and Interactive Avatars for real-time conversational experiences. It integrates with LMS, CMS, HR systems, and marketing platforms, and provides enterprise-grade security compliance including SOC 2 Type II, ISO 27001, 27701, 42001, and GDPR.

Key Features

Text-to-video conversion

Transforms written text into professional videos with AI avatars without requiring cameras or actors

Express-2 Avatars

Avatars that gesture like professional speakers - they can wave, point, and clap based on your script for natural communication in any language

Personal Avatars

Digital twins that look and sound like you, speaking 29+ languages with your cloned voice, with hand gestures and multiple framing options (standing, sitting, walking)

Customizable avatars

New avatars can be customized to talk in any environment and outfit, powered by Veo 3.1

AI Playground

Access to latest AI models for video and image creation including Veo 3.1, FLUX.2, and Nano Banana Pro

AI Voices

Choose from hundreds of natural-sounding voices to narrate your script

Voice Cloning

Record your unique voice and pair it with your Personal Avatar for 29 languages

AI Screen Recorder

Chrome extension that transcribes voiceover, removes filler words, splits into editable scenes, and translates in 160+ languages

AI Video Assistant

Turn decks, PDFs, and websites into videos with AI - reducing 4 hours of work to 30 minutes

1-Click Translation

Automatically translate videos into 80+ languages with one click

AI Dubbing

Preserve the speaker's natural voice with perfect lip-sync across languages

Multilingual Video Player

Videos automatically play in viewer's language with pre-generated captions

Brand Kits

Automatically apply brand colors, fonts, and logos to any video

Organization & Live Collaboration

Shared workspace for teams to store, track, and collaborate on video projects in real-time

Interactivity

Add CTAs, quizzes, and branching scenarios to make videos 10x more engaging with 2x completion rates and 3x sales conversion

Roleplay Sessions

AI coaching for high-stakes conversations with Interactive Avatars, real-time coaching, and measurable skills analytics for sales, support, and management training

Interactive Avatars

Real-time avatars that listen, talk, and respond directly in your product, website, or internal tools (generally available with LiveKit and Pipecat SDKs, pay-as-you-go pricing)

Security & Compliance

SOC 2 Type II, ISO 27001, 27701, 42001, GDPR compliant with SSO and SCIM for enterprise requirements

SCORM Export

Export interactive videos as SCORM files for LMS integration with tracking data

Version Control & Auto-update Embeds

Edit videos anytime and they stay up to date across all sources and embeds automatically

Analytics

Built-in analytics for video performance, quiz pass rates, completion metrics, and learner performance tracking

Pros & Strengths

✓

Intuitive interface with advanced AI capabilities: User-friendly video editing tools combined with cutting-edge AI features like Express-2 avatars, voice cloning, and interactive elements

✓

Cost and time efficiency at scale: Eliminates need for traditional production resources; 100 hours of translation done in 10 minutes; updating 10,000 courses made feasible

✓

Global language support with natural localization: 160+ languages for screen recording, 80+ for video translation, AI dubbing preserves natural voice with perfect lip-sync

✓

Professional output quality with emotional expression: Express-2 avatars gesture naturally; Personal Avatars look and sound like real people with hand movements; interactive elements boost engagement 2x

✓

Enterprise integrations and security: Connects with LMS (360Learning, Continu), HR (BambooHR, HiBob), CRM (HubSpot), CMS (WordPress, Shopify), Slack; SOC 2, ISO, GDPR compliant

✓

Measurable training effectiveness: Roleplay Sessions provide skill analytics, pass rates, per-skill scores, and improvement tracking from org to individual level

✓

Innovative interactive and real-time capabilities: Interactive videos with CTAs/quizzes/branching; Roleplay Sessions for practice; Interactive Avatars for real-time conversational experiences with LiveKit and Pipecat integration

✓

Developer-friendly real-time avatar APIs: Interactive Avatars generally available with LiveKit and Pipecat plugins, any LLM support, pay-as-you-go pricing, and quickstart repositories

Cons & Tradeoffs

⚠

Limited emotional expression in standard avatars: Standard AI avatars may appear less emotionally expressive than human presenters, though Express-2 and Personal Avatars improve this significantly

⚠

Technical accuracy issues with some languages: Some users report pronunciation and lip-syncing challenges with certain languages despite AI dubbing improvements

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Restricted customization in lower tiers: Free and Starter plans offer limited avatar selection, video length, and advanced features like custom avatars and interactivity

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Enterprise pricing may be cost-prohibitive: Higher-tier plans with full feature access (Roleplay Sessions, Interactive Avatars, SSO, SCIM) require custom enterprise pricing

⚠

Interactive Avatars have current limitations: Real-time Interactive Avatars have latency, expressiveness, and interruption handling limitations; Python LiveKit Agents only currently supported

⚠

Complexity for simple use cases: Extensive feature set may be overwhelming for users needing only basic text-to-video conversion

Known Limitations

• Free plan restricts video length to 3 minutes per month with only 6 AI avatars available

• Enterprise features like SAML SSO, SCIM, Roleplay Sessions, and Interactive Avatars require custom pricing

• Custom avatar creation is only available in Creator and Enterprise plans

• Interactive Avatars currently have latency, expressiveness, and interruption handling limitations; Python LiveKit Agents only

• Maximum video length of 4 hours or 150 scenes per video

• AI Screen Recorder requires Chrome extension installation

• Voice cloning supports 29 languages for Personal Avatars (fewer than the 160+ for screen recording)

• 1-Click Translation covers 80+ languages (subset of total language support)

• Personal Avatar voice cloning available in 29 languages (English, Hindi, Portuguese, Chinese, Spanish, French, German, Japanese, Arabic, Russian, Korean, Indonesian, Italian, Dutch, Turkish, Polish, Swedish, Filipino, Malay, Romanian, Ukrainian, Greek, Czech, Danish, Finnish, Bulgarian, Croatian, Slovak & Tamil)

Pricing & Plans

Model: freemium

USD18 /month

Synthesia offers a Free plan ($0/month) with 3 minutes video/month and 6 avatars; Starter plan ($18/month billed annually) with 120 minutes/year; Creator plan ($64/month billed annually) with 360 minutes/year and 90+ avatars; Enterprise plan with custom pricing including all Creator features plus Roleplay Sessions, Interactive Avatars, premium support, SAML SSO, SCIM, and advanced analytics. Free trial available for paid plans.

✓ Free Plan ✓ Free Trial

Pricing verified: 2026-08-20

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