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Software · head to head

AI21 Labs vs ProtoPie

AI21 Labs logo

AI21 Labs

Software

Enterprise language AI solutions

From
Free
Rated
-
Full reviewWebsite
ProtoPie logo

ProtoPie

Software

Create advanced interactive prototypes

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: AI21 Labs the free allowance is $10 of credit lasting 7 days rather than an ongoing free tier; ProtoPie the free plan allows 2 prototypes, 8 scenes per prototype and 50MB of cloud storage
  • They diverge on capability: AI21 Labs covers Jamba models, ProtoPie covers Interactive prototyping.

Where they differ

Only the attributes on which AI21 Labs and ProtoPie actually diverge.

Attributes where AI21 Labs and ProtoPie differ
AttributeAI21 LabsProtoPie
Pricing modelusage-basedsubscription
PlatformsApi, CloudWindows, Macos, Web, Ios, Android
Founded20172013

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

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 AI21 Labs

  • Jamba models
  • Long context
  • RAG engine
  • Writing tools
  • REST API
  • Amazon Bedrock
  • Cloud platforms
  • Api support

Only in ProtoPie

  • Interactive prototyping
  • Data binding
  • Advanced interactions
  • Animation
  • Collaboration
  • Cloud sharing
  • Device testing
  • Code export

What people use each for

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

AI21 Labs

  • Running long-context tasks on the Jamba model familynot ProtoPie
  • Building and optimising production AI agents with Maestronot ProtoPie
  • Routing between models to control cost and accuracynot ProtoPie
  • Long-horizon agentic tasks needing stateful workspacesnot ProtoPie

ProtoPie

  • Building high fidelity interactive prototypes without codenot AI21 Labs
  • Prototyping multi device and hardware interactionsnot AI21 Labs
  • Sharing prototypes with stakeholders for testingnot AI21 Labs

Where each one falls short

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

AI21 Labs

  • The free allowance is $10 of credit lasting 7 days rather than an ongoing free tier
  • Jamba Large is $2 per million input tokens and $8 per million output, so output-heavy work costs four times as much as input
  • Volume discounts, private cloud hosting and higher rate limits require a custom plan
  • Standard rate limits are not published

ProtoPie

  • The free plan allows 2 prototypes, 8 scenes per prototype and 50MB of cloud storage
  • Free prototypes carry a watermark and shareable links require the Basic plan
  • Saving prototypes locally requires the Pro plan
  • Team libraries and handoff recordings require the Pro plan
  • Basic caps storage at 500MB and prototypes at 20
  • Single sign on, private servers, custom fonts and custom hardware integrations are Enterprise only
  • Enterprise requires a minimum of 3 seats and is priced by quote
  • Connect Core is a paid add on at $20 per user per month

Pricing, plan by plan

AI21 Labs

Free
  • Free TrialFree
    • Limited usage
    • API access
  • Jamba$0.2/per-million-input-tokens
    • 256K context
    • Hybrid architecture

ProtoPie

Free
  • FreeFree
    • Limited prototypes
    • Cloud storage
    • Basic sharing
  • Professional$25/month
    • Unlimited prototypes
    • Advanced interactions
    • Collaboration
  • Enterprise$75/month
    • Everything in Professional
    • Team features
    • Advanced security

Which should you pick?

Choose AI21 Labs if

  • You need jamba models.
  • You want to start without paying.
  • You work on Api, Cloud.
  • You also want long context.
AI21 Labs review

Choose ProtoPie if

  • You need interactive prototyping.
  • You want to start without paying.
  • You work on Windows, Macos, Web, Ios, Android.
  • You also want data binding.
ProtoPie review

Questions people ask

Is AI21 Labs or ProtoPie better?
Neither clearly leads. AI21 Labs starts at Free and ProtoPie at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AI21 Labs or ProtoPie?
AI21 Labs starts at Free and ProtoPie at Free.
Does AI21 Labs or ProtoPie run on more platforms?
AI21 Labs runs on Api, Cloud. ProtoPie runs on Windows, Macos, Web, Ios, Android.
Can I use AI21 Labs for free?
Both have a free tier, so you can try either at no cost before committing.
What is AI21 Labs best used for?
AI21 Labs is most often used for running long-context tasks on the jamba model family, building and optimising production ai agents with maestro, routing between models to control cost and accuracy, long-horizon agentic tasks needing stateful workspaces. Of those, running long-context tasks on the jamba model family and building and optimising production ai agents with maestro are not what ProtoPie is typically brought in for.
What can AI21 Labs do that ProtoPie cannot?
AI21 Labs covers Jamba models, Long context, RAG engine, Writing tools. ProtoPie covers Interactive prototyping, Data binding, Advanced interactions, Animation.
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