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Synthesia vs HeyGen

Compare pricing, ratings, functions, limits, privacy, pros and cons side by side.

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9.0

Synthesia

Synthesia Limited

(0)

Synthesia creates business videos with AI avatars, scripts, voiceovers and templates for training and explainers.

  • AI avatars
  • Script-to-video
  • Templates
freemium_usage_subscriptionFree planAPIGDPR friendly#New
8.8

HeyGen

HeyGen Technology Inc.

(0)

HeyGen turns scripts or source videos into avatar-led content using Digital Twins, cloned voices, lip-synced translation and programmable video-generation APIs.

  • Avatar III
  • Avatar IV and Avatar V engines
  • More than 500 stock Digital Twins
freemium_usage_subscriptionFree planAPIMobile app#New
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Quick verdict

Synthesia fits AI Video Tools. HeyGen is relevant to compare because both tools share at least one category.

Score overview

Synthesia: 9.0/10 · HeyGen: 8.8/10

Synthesia vs HeyGen

Factor
SynthesiaSynthesia →
RatingNo user ratingsNo user ratings
Score overview9.0/108.8/10
Ease of use9.2/109.0/10
Price/value8.4/108.3/10
Output quality8.8/109.0/10
Best for
  • video
  • video
Core features
  • More than 240 stock AI avatars More than 1
  • 000 AI voices More than 160 languages Personal Avatars Studio and Express avatars Expressive avatars with gestures AI dubbing and one-click translation Voice cloning AI Video Assistant Screen recording and document-to-video Brand kits and reusable templates Live collaboration and comments Interactive video with buttons and questions Analytics
  • version control and synchronized updates SCORM export for LMS platforms Synthesia API and enterprise automation
  • Avatar III
  • Avatar IV and Avatar V engines More than 500 stock Digital Twins Custom Digital Twins Voice cloning and AI voiceovers More than 175 languages and dialects Video translation with lip-sync Video Agent for prompt-to-video workflows AI-generated avatar looks and outfits Advanced image and generative video models Generative B-roll and visual inserts Interactive video with quizzes and links SCORM export and LMS integrations Team workspace
  • comments and approvals MCP server and Hey Gen Skills Pay-as-you-go video API 4K export and higher concurrency on advanced plans
Use cases
  • documents
  • video
  • API
  • video generation
  • video
  • API
Platforms
  • Web
  • Web Mobile
Inputs
  • Create employee training Produce onboarding videos Build compliance learning Localize internal communication Create product explainers Generate sales enablement content
  • Create presenter-led marketing videos Localize videos across languages Build training and onboarding content Generate sales outreach videos Create custom digital presenters Translate existing video with lip-sync
Outputs
  • 240+ stock AI avatars 1
  • 000+ AI voices 160+ languages Personal and custom avatars AI dubbing and translation AI Video Assistant
  • Avatar III
  • IV and V video Custom Digital Twins Voice cloning 175+ languages and dialects Video translation with lip-sync Video Agent
Integrations
  • video
  • API
  • Zapier
  • Make
  • API
API
Mobile app
Browser extension
Privacy9.5/108.4/10
Limitations
  • Basic and Starter include 1
  • 200 monthly credits Creator includes 3
  • 600 monthly credits Each second of standard video uses two credits One minute of lip-synced dubbing uses 240 credits Basic has one editor and no guests Starter has one editor and three guests Creator has one editor and five guests Basic videos cannot be downloaded Studio Express avatars can cost $1
  • 000 per year Enterprise pricing
  • seats and add-ons require negotiation
  • Free is limited to three videos per month Each Free video is limited to one minute Creator includes 600 credits per month Pro starts at 1
  • 000 credits per month Business includes 1
  • 500 shared credits Additional Business seats cost $20 each without adding credits Monthly unused credits roll over for one additional month Annual credits accumulate only until annual renewal API wallet credits expire after twelve months Premium avatar and video engines use different credit rates
Pros
  • video
  • API
  • Expressive and realistic avatar technology Strong multilingual translation and lip-sync Useful permanent Free plan Creator includes 600 monthly credits Pro and Business support 4K export Custom Digital Twins on every plan Separate pay-as-you-go developer API Interactive video and SCORM for training Team collaboration
  • SSO and centralized billing SOC 2 Type II and published privacy controls
Cons
  • Basic cannot download completed videos Starter remains limited to ten minutes monthly Creator costs $89 month to month Annual billing is prepaid Feature-specific credit rates complicate planning Lip-synced dubbing consumes credits quickly Studio avatars can be expensive add-ons Self-service plans limit editors and guests Enterprise pricing and add-ons are custom Avatar output is less suitable for cinematic storytelling
  • API
  • web
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Pricing comparison that uses the same basis

Free access, payment triggers, real limits and the most suitable plan—without mixing monthly and annual prices.

Comparable paid entrySynthesia · $18 / month
Buying questionSynthesiaHeyGen
Free accessPermanent free access with the documented usage limit. 1,200 credits per month, up to 10 minutes of standard video; downloads are not includedPermanent free access with the documented usage limit. 3 videos per month, each up to 1 minute; no monthly credit balance
When payment is neededSynthesia is strongest for structured business video, especially training and internal communication. Basic is generous for testing but lacks downloads. Starter is the economical paid plan for occasional production. Creator is the realistic professional plan when API access, interaction and 30 monthly minutes are needed. Enterprise is attractive for large organizations because standard video minutes are listed as unlimited.HeyGen is best for creators and teams that need expressive avatars, multilingual localization and flexible video-generation workflows. Creator is the practical individual entry plan. Pro is worthwhile for 4K and heavier premium-model use. Business is designed for collaboration and compliance, but additional seats do not add credits and top-ups can raise the real monthly cost.
Credits and limitsSynthesia is a business-focused AI video platform for training, internal communication, sales enablement and marketing. It combines more than 240 stock avatars, 1,000+ voices, 160+ languages, AI dubbing, translation, screen recording, brand kits, collaboration, interactive video, analytics, version control, SCORM export and API access. Basic is free with 1,200 credits per month but cannot download videos. Starter adds downloads. Creator increases usage to 3,600 monthly credits and adds API access and interactive video. Enterprise offers unlimited standard video minutes and custom credits. · Basic and Starter include 1,200 credits monthly · Creator includes 3,600 credits monthlyHeyGen combines avatar video, Digital Twins, voice cloning, translation, lip-sync, Video Agent, AI-generated looks and third-party video models in one platform. Free supports three one-minute videos per month. Creator includes 600 credits and 1080p export. Pro starts with 1,000 credits and 4K export. Business includes 1,500 shared credits, team collaboration, SAML SSO, SCORM and LMS integrations. Direct API billing is separate and uses a pay-as-you-go wallet. · Free is limited to three one-minute videos monthly · Creator includes 600 credits
Likely best-value plan$64 / month · Learning, HR, compliance, enablement and communication teams that need repeatable presenter-led video in many languages. · A paid plan with the documented usage allowance and additional production features.$49 / month · Creators, marketing teams, learning teams and enterprises that need avatar video, localization and programmable video generation. · A paid plan with the documented usage allowance and additional production features.
Value verdictSynthesia is strongest for structured business video, especially training and internal communication. Basic is generous for testing but lacks downloads. Starter is the economical paid plan for occasional production. Creator is the realistic professional plan when API access, interaction and 30 monthly minutes are needed. Enterprise is attractive for large organizations because standard video minutes are listed as unlimited.HeyGen is best for creators and teams that need expressive avatars, multilingual localization and flexible video-generation workflows. Creator is the practical individual entry plan. Pro is worthwhile for 4K and heavier premium-model use. Business is designed for collaboration and compliance, but additional seats do not add credits and top-ups can raise the real monthly cost.

Free access

Synthesia

Permanent free access with the documented usage limit. 1,200 credits per month, up to 10 minutes of standard video; downloads are not included

HeyGen

Permanent free access with the documented usage limit. 3 videos per month, each up to 1 minute; no monthly credit balance

When payment is needed

Synthesia

Synthesia is strongest for structured business video, especially training and internal communication. Basic is generous for testing but lacks downloads. Starter is the economical paid plan for occasional production. Creator is the realistic professional plan when API access, interaction and 30 monthly minutes are needed. Enterprise is attractive for large organizations because standard video minutes are listed as unlimited.

HeyGen

HeyGen is best for creators and teams that need expressive avatars, multilingual localization and flexible video-generation workflows. Creator is the practical individual entry plan. Pro is worthwhile for 4K and heavier premium-model use. Business is designed for collaboration and compliance, but additional seats do not add credits and top-ups can raise the real monthly cost.

Credits and limits

Synthesia

Synthesia is a business-focused AI video platform for training, internal communication, sales enablement and marketing. It combines more than 240 stock avatars, 1,000+ voices, 160+ languages, AI dubbing, translation, screen recording, brand kits, collaboration, interactive video, analytics, version control, SCORM export and API access. Basic is free with 1,200 credits per month but cannot download videos. Starter adds downloads. Creator increases usage to 3,600 monthly credits and adds API access and interactive video. Enterprise offers unlimited standard video minutes and custom credits. · Basic and Starter include 1,200 credits monthly · Creator includes 3,600 credits monthly

HeyGen

HeyGen combines avatar video, Digital Twins, voice cloning, translation, lip-sync, Video Agent, AI-generated looks and third-party video models in one platform. Free supports three one-minute videos per month. Creator includes 600 credits and 1080p export. Pro starts with 1,000 credits and 4K export. Business includes 1,500 shared credits, team collaboration, SAML SSO, SCORM and LMS integrations. Direct API billing is separate and uses a pay-as-you-go wallet. · Free is limited to three one-minute videos monthly · Creator includes 600 credits

Likely best-value plan

Synthesia

$64 / month · Learning, HR, compliance, enablement and communication teams that need repeatable presenter-led video in many languages. · A paid plan with the documented usage allowance and additional production features.

HeyGen

$49 / month · Creators, marketing teams, learning teams and enterprises that need avatar video, localization and programmable video generation. · A paid plan with the documented usage allowance and additional production features.

Value verdict

Synthesia

Synthesia is strongest for structured business video, especially training and internal communication. Basic is generous for testing but lacks downloads. Starter is the economical paid plan for occasional production. Creator is the realistic professional plan when API access, interaction and 30 monthly minutes are needed. Enterprise is attractive for large organizations because standard video minutes are listed as unlimited.

HeyGen

HeyGen is best for creators and teams that need expressive avatars, multilingual localization and flexible video-generation workflows. Creator is the practical individual entry plan. Pro is worthwhile for 4K and heavier premium-model use. Business is designed for collaboration and compliance, but additional seats do not add credits and top-ups can raise the real monthly cost.

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Evidence behind this comparison

A concise selection of sourced findings; extra research stays on the individual tool pages.

Synthesia

Synthesia is one of the best choices for structured business video, especially training and internal communication that must be updated and localized repeatedly. Basic is generous for testing but unsuitable for normal production because downloads are disabled. Starter is the economical paid option for occasional output, while Creator is the realistic professional plan for API, interaction and 30 monthly minutes. Enterprise becomes attractive at scale because standard video minutes are listed as unlimited. Buyers should calculate credits by feature because dubbing and generated assets can consume the shared pool faster than standard video.

What official research showsConfidence: High

Synthesia is designed for business video rather than short cinematic generation. It combines more than 240 stock avatars, personal and studio avatars, over 1,000 voices, more than 160 languages, AI dubbing, one-click translation, screen recording, brand kits, live collaboration, interactive video, analytics, version control, SCORM export and API access. Basic is free and includes 1,200 credits per month, equivalent to up to ten minutes of standard video, but videos cannot be downloaded. Starter adds downloads, removes the Synthesia logo and keeps the same monthly credit level. Creator increases the allowance to 3,600 monthly credits, adds API access, interactive video, more avatars and higher collaboration limits. Enterprise offers unlimited standard video minutes, custom credits, additional seats, SSO, advanced governance, onboarding and customer-success support. The platform is especially strong for training, onboarding, compliance, internal communication, SOPs and sales enablement.

Official documentation – Synthesia ↗
Pricing, limits and plan comparisonConfidence: High

Free | $29/month or $18/month billed yearly | $89/month or $64/month billed yearly | Custom Prices, taxes, regional checkout values, models and limits can change. Check the official website before purchasing.

Official pricing – Synthesia ↗
Free planConfidence: High

Permanent free access with the documented usage limit. 1,200 credits per month, up to 10 minutes of standard video; downloads are not included

Official pricing – Synthesia ↗
Uncertainty

No hands-on practical test was performed. Findings are based on official public sources checked on 14 July 2026.

HeyGen

HeyGen is one of the strongest choices for expressive avatar video, multilingual localization and flexible generative workflows. Creator is the practical individual entry plan for 1080p output and voice cloning. Pro is better for 4K and heavier premium-model use, while Business is designed for teams, training workflows and SSO. Pricing becomes less predictable when premium engines consume credits quickly, and web-subscription credits should not be confused with the separate API wallet.

What official research showsConfidence: High

HeyGen combines avatar-led video, Custom Digital Twins, voice cloning, translation, lip-sync, Video Agent, AI-generated avatar looks and third-party generative video models in one production platform. The Free plan supports three videos per month of up to one minute and provides access to stock avatars, one custom Digital Twin and more than 30 languages. Creator adds 600 monthly credits, 1080p export, watermark removal, voice cloning, advanced image and video models, more than 175 languages and credit rollover. Pro starts with 1,000 credits, faster processing, 4K export and selectable higher credit tiers. Business includes 1,500 shared credits, five Custom Digital Twins, workspace collaboration, SAML SSO, centralized billing, SCORM, LMS integrations and interactive video. Enterprise removes the normal duration ceiling and negotiates concurrency, security, support and usage. Direct API billing is separate from web plans and uses a pay-as-you-go wallet starting at $5.

Official documentation – HeyGen ↗
Pricing, limits and plan comparisonConfidence: High

Free | $29/month or $24/month billed yearly | $49/month | $149/month plus $20 per additional seat | Custom Prices, taxes, regional checkout values, models and limits can change. Check the official website before purchasing.

Official pricing – HeyGen ↗
Free planConfidence: High

Permanent free access with the documented usage limit. 3 videos per month, each up to 1 minute; no monthly credit balance

Official pricing – HeyGen ↗
Uncertainty

No hands-on practical test was performed. Findings are based on official public sources checked on 14 July 2026.

Mats in ’t Veld
Reviewed by

Mats in ’t Veld

Founder & AI tool reviewer Amsterdam, the Netherlands

Mats uses, tests and compares AI tools for ToolLions from Amsterdam.

About Mats and ToolLions

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