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AI21 Labs vs Linearity Curve

AI21 Labs logo

AI21 Labs

Software

Enterprise language AI solutions

From
Free
Rated
-
Full reviewWebsite
Linearity Curve logo

Linearity Curve

Software

Professional vector design for Mac and iPad

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; Linearity Curve limited to Apple ecosystem (Mac, iPad, iPhone) with no Windows or Linux support
  • They diverge on capability: AI21 Labs covers Jamba models, Linearity Curve covers Vector editing.

Where they differ

Only the attributes on which AI21 Labs and Linearity Curve actually diverge.

Attributes where AI21 Labs and Linearity Curve differ
AttributeAI21 LabsLinearity Curve
Pricing modelusage-basedUnknown
PlatformsApi, CloudMac, Ios

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown), founded (2017).

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 Linearity Curve

  • Vector editing
  • Auto Trace
  • Typography tools
  • Pen tool
  • iCloud sync
  • Adobe Creative Cloud
  • Sketch
  • Figma

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 Linearity Curve
  • Building and optimising production AI agents with Maestronot Linearity Curve
  • Routing between models to control cost and accuracynot Linearity Curve
  • Long-horizon agentic tasks needing stateful workspacesnot Linearity Curve

Linearity Curve

  • Vector illustrationnot AI21 Labs
  • Logo designnot AI21 Labs
  • UI designnot AI21 Labs
  • Print designnot 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

Linearity Curve

  • Limited to Apple ecosystem (Mac, iPad, iPhone) with no Windows or Linux support
  • Requires annual or monthly subscription for commercial use, unlike competitors offering lifetime purchase options
  • Free plan is severely limited to only 3 Curve files and 5GB storage

Pricing, plan by plan

AI21 Labs

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

Linearity Curve

Free
  • StarterFree
    • 50 lifetime credits
    • 3 Curve files
    • 5GB storage
  • Pro$11.99/month
    • 250 monthly credits
    • Unlimited files
    • 100GB storage
  • Business$65/month
    • 500 monthly credits
    • 500GB storage
    • Brand management

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 Linearity Curve if

  • You need vector editing.
  • You want to start without paying.
  • You work on Mac, Ios.
  • You also want auto trace.
Linearity Curve review

Questions people ask

Is AI21 Labs or Linearity Curve better?
Neither clearly leads. AI21 Labs starts at Free and Linearity Curve at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AI21 Labs or Linearity Curve?
AI21 Labs starts at Free and Linearity Curve at Free.
Does AI21 Labs or Linearity Curve run on more platforms?
AI21 Labs runs on Api, Cloud. Linearity Curve runs on Mac, Ios.
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 Linearity Curve is typically brought in for.
What can AI21 Labs do that Linearity Curve cannot?
AI21 Labs covers Jamba models, Long context, RAG engine, Writing tools. Linearity Curve covers Vector editing, Auto Trace, Typography tools, Pen tool.

Answered from the vendors’ own pages

Linearity Curve: Does Linearity Curve have a free plan?

Yes, Linearity offers a free Starter plan with 50 lifetime credits, 1 basic brand kit, and 5GB cloud storage. No credit card is required to access the free tier.

Source
Linearity Curve: Can I use Linearity Curve on multiple devices?

Yes, Linearity Curve is available on Mac, iPad, and iPhone, with real-time collaboration allowing teams to see changes instantly across devices.

Source
Linearity Curve: What file formats can I export from Linearity Curve?

Linearity Curve supports exporting to industry-standard formats including .ai, SVG, PDF, PNG, JPG, and TIFF, making it compatible with other design tools.

Source
Linearity Curve: Does Linearity Curve have AI-powered vectorization?

Yes, Linearity Curve includes an Auto Trace feature with three modes (Sketch, Photography, Illustration) that uses AI to instantly vectorize images into editable paths. It also includes AI-powered background removal.

Source
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