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AI · head to head

Modal vs Pi

Modal logo

Modal

AI

Cloud functions for AI and ML

From
Free
Rated
-
Full reviewWebsite
Pi logo

Pi

AI

Personal AI by Inflection

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; Pi inflection AI's own homepage (2024 archive) pivoted its headline positioning to enterprise AI licensing rather than the consumer Pi assistant, with no consumer pricing or plans published on the corporate site
  • They diverge on capability: Modal covers Serverless GPUs, Pi covers Conversational AI.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Modal and Pi actually diverge.

Attributes where Modal and Pi differ
AttributeModalPi
Pricing modelusage-basedfree
PlatformsCloud, ApiWeb, Ios, Android
Founded20212022

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (AI).

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 Pi

  • Conversational AI
  • Voice mode
  • Empathetic responses
  • Multi-platform
  • Mobile apps
  • Web interface
  • Web support
  • Ios 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 Pi
  • Executing Python functions on cloud compute without managing serversnot Pi

Pi

  • ai tools managementnot Modal
  • Workflow automationnot Modal
  • Reportingnot 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  • Enterprise volume discounts are custom and unpublished

Pi

  • Inflection AI's own homepage (2024 archive) pivoted its headline positioning to enterprise AI licensing rather than the consumer Pi assistant, with no consumer pricing or plans published on the corporate site
  • Requires iOS 16 or later, per the App Store listing

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

Pi

Free
  • FreeFree
    • Unlimited conversations
    • Voice mode
    • All platforms

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 Pi if

  • You need conversational ai.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want voice mode.
Pi review

Questions people ask

Is Modal or Pi better?
Neither clearly leads. Modal starts at Free and Pi at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Modal or Pi?
Modal starts at Free and Pi at Free.
Does Modal or Pi run on more platforms?
Modal runs on Cloud, Api. Pi runs on Web, Ios, Android.
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 Pi is typically brought in for.
What can Modal do that Pi cannot?
Modal covers Serverless GPUs, Python functions, Auto-scaling, Fast cold starts. Pi covers Conversational AI, Voice mode, Empathetic responses, Multi-platform.

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
Modal: Is there a free tier?

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

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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