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AI · head to head

Modal vs Synthesia

Modal logo

Modal

AI

Cloud functions for AI and ML

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: Modal the Team plan carries a $250 monthly base fee and returns only $100 of that as free credits, so $150 is a flat charge before any compute; Synthesia free plan limited to 10 minutes of video per month
  • They diverge on capability: Modal covers Serverless GPUs, Synthesia covers AI avatars.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Modal and Synthesia actually diverge.

Attributes where Modal and Synthesia differ
AttributeModalSynthesia
Pricing modelusage-basedfreemium
PlatformsCloud, ApiWeb
CategoryAIVideo Production
Founded20212017

Identical on both: starting price (Free), 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 Modal

  • Serverless GPUs
  • Python functions
  • Auto-scaling
  • Fast cold starts
  • Python SDK
  • GitHub Actions
  • Cloud storage
  • Cloud support

Only in Synthesia

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

Both cover

  • Api support

What people use each for

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

Modal

  • Running serverless GPU workloads for model inference and trainingnot Synthesia
  • Executing Python functions on cloud compute without managing serversnot Synthesia

Synthesia

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

Where each one falls short

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

Modal

  • The Team plan carries a $250 monthly base fee and returns only $100 of that as free credits, so $150 is a flat charge before any compute
  • Compute is billed per second across separate GPU and CPU meters, so total cost depends on execution time rather than any fixed rate
  • The Starter plan's $30 monthly free credit is the only allowance below the paid base fee
  • Enterprise volume discounts are custom and unpublished

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

Modal

Free
  • StarterFree
    • 3 seats
    • 100 containers
    • 10 GPU concurrency
  • Team$250/month
    • Unlimited seats
    • 5,000 containers
    • 50 GPU concurrency
  • Enterprise$null/custom
    • Custom seats, containers, and GPU concurrency

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 Modal if

  • You need serverless gpus.
  • You want to start without paying.
  • You work on Cloud, Api.
  • You also want python functions.
Modal 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 Modal or Synthesia better?
Neither clearly leads. Modal 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, Modal or Synthesia?
Modal starts at Free and Synthesia at Free.
Does Modal or Synthesia run on more platforms?
Modal runs on Cloud, Api. Synthesia runs on Web.
Can I use Modal for free?
Both have a free tier, so you can try either at no cost before committing.
What is Modal best used for?
Modal is most often used for running serverless gpu workloads for model inference and training, executing python functions on cloud compute without managing servers. Of those, running serverless gpu workloads for model inference and training and executing python functions on cloud compute without managing servers are not what Synthesia is typically brought in for.
What can Modal do that Synthesia cannot?
Modal covers Serverless GPUs, Python functions, Auto-scaling, Fast cold starts. Synthesia covers AI avatars, 140+ languages, Video templates, Brand customization. Both handle Api support.

Answered from the vendors’ own pages

Modal: How much does Modal cost?

Modal uses pay-as-you-go pricing with Team plan at 250 USD/month base. Starter includes 30 USD/month free credits; Team includes 100 USD/month free credits. Compute charges per second for CPU cores, memory, and GPU instances.

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
Modal: Is there a free tier?

Yes, Starter plan is free plus 30 USD/month in compute credits included monthly for new users.

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
Modal: What are the seat limits?

Starter plan includes 3 seats; Team plan provides unlimited seats; Enterprise tier has custom seat allocations.

Source
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