Softwr

Content Creation · head to head

Notion AI vs Synthesia

Notion AI logo

Notion AI

Content Creation

AI-powered productivity within Notion

From
Free
Rated
-
Full reviewWebsite
Synthesia logo

Synthesia

Video Production

AI video creation with digital presenters

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Notion AI full AI access including agents and meeting notes requires the Business plan at $20 per member per month, double the $10 Plus plan; Synthesia free plan limited to 10 minutes of video per month
  • They diverge on capability: Notion AI covers Writing assistance, Synthesia covers AI avatars.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Notion AI and Synthesia actually diverge.

Attributes where Notion AI and Synthesia differ
AttributeNotion AISynthesia
PlatformsWeb, Desktop, MobileWeb
CategoryContent CreationVideo Production
Founded20162017

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Notion AI

  • Writing assistance
  • Summarization
  • Translation
  • Q&A
  • Native Notion
  • Slack
  • Google Drive
  • Desktop support

Only in Synthesia

  • AI avatars
  • 140+ languages
  • Video templates
  • Brand customization
  • API access
  • LMS integrations
  • PowerPoint
  • Api support

Both cover

  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Notion AI

  • AI-powered document generation and database autofillnot Synthesia
  • Autonomous task automation with Notion Agentnot Synthesia
  • Meeting notes and enterprise search integrationnot Synthesia

Synthesia

  • Training video creation with AI avatarsnot Notion AI
  • Multilingual video localisation with AI dubbingnot Notion AI
  • Enterprise video production and managementnot Notion AI

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Notion AI

  • Full AI access including agents and meeting notes requires the Business plan at $20 per member per month, double the $10 Plus plan
  • The Free and Plus plans offer trial AI capabilities rather than the full feature set
  • AI is not sold separately from the workspace seat, so every member must be upgraded to reach it
  • Zero data retention with LLM providers is Enterprise only, which is custom priced

Synthesia

  • Free plan limited to 10 minutes of video per month
  • Starter plan limited to 10 minutes of video per month
  • Creator plan capped at 30 minutes of video per month
  • SSO/SAML authentication restricted to Enterprise tier

Pricing, plan by plan

Notion AI

Free
  • FreeFree
    • Trial AI capabilities like generating docs and autofilling databases
    • Basic forms and sites
    • Notion Calendar access
  • Business$null/month
    • Notion Agent for task automation
    • Custom Agents (free through May 3, 2026; then $10 per 1,000 credits)
    • AI Meeting Notes
  • Enterprise$null/custom
    • All Business features
    • Zero data retention with LLM providers
    • HIPAA compliance capabilities

Synthesia

Free
  • BasicFree
    • 1,200 credits per month
    • Up to 10 minutes of video per month
    • 9 AI avatars
  • Starter$29/month
    • 14,500 credits per year
    • Up to 120 minutes of video per year
    • 125+ AI avatars
  • Creator$89/month
    • 44,000 credits per year
    • Up to 360 minutes of video per year
    • 180+ AI avatars

Which should you pick?

Choose Notion AI if

  • You need writing assistance.
  • You want to start without paying.
  • You work on Web, Desktop, Mobile.
  • You also want summarization.
Notion AI review

Choose Synthesia if

  • You need ai avatars.
  • You want to start without paying.
  • You also want 140+ languages.
Synthesia review

Questions people ask

Is Notion AI or Synthesia better?
Neither clearly leads. Notion AI starts at Free and Synthesia at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Notion AI or Synthesia?
Notion AI starts at Free and Synthesia at Free.
Does Notion AI or Synthesia run on more platforms?
Notion AI runs on Web, Desktop, Mobile. Synthesia runs on Web.
Can I use Notion AI for free?
Both have a free tier, so you can try either at no cost before committing.
What is Notion AI best used for?
Notion AI is most often used for ai-powered document generation and database autofill, autonomous task automation with notion agent, meeting notes and enterprise search integration. Of those, ai-powered document generation and database autofill and autonomous task automation with notion agent are not what Synthesia is typically brought in for.
What can Notion AI do that Synthesia cannot?
Notion AI covers Writing assistance, Summarization, Translation, Q&A. Synthesia covers AI avatars, 140+ languages, Video templates, Brand customization. Both handle Web support.

Answered from the vendors’ own pages

Notion AI: Is Notion AI free?

Notion offers a free plan with trial AI capabilities for generating docs and autofilling databases. Full AI features like Notion Agent and Custom Agents require a Business plan.

Source
Synthesia: How much does Synthesia cost?

Synthesia offers a free Basic plan with 10 minutes of video per month, Starter at $29 per month with 120 minutes per year, and Creator at $89 per month with 360 minutes per year. Annual billing provides 38% savings. Enterprise plans are available with custom pricing.

Source
Notion AI: What does Notion's Custom Agents cost?

Custom Agents are free to use through May 3, 2026. Starting May 4, 2026, Custom Agents will cost $10 per 1,000 monthly Notion credits. Admins can purchase Notion credits as add-ons.

Source
Synthesia: What is included in Synthesia's free plan?

The free Basic plan includes 1,200 credits per month (approximately 10 minutes of video), 9 AI avatars, 3 personal avatars, and access to 160+ languages and voices. No credit card is required.

Source
Notion AI: What features does Notion's Business plan include?

Business plan includes Notion Agent for autonomous task automation, AI Meeting Notes, Enterprise Search across connected apps, SAML SSO, granular database permissions, private teamspaces, and premium app connections.

Source
Share

Related pages

More on Notion AI

More on Synthesia

Keep looking

Other head to heads