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Software · head to head

AI21 Labs vs Capsule

AI21 Labs logo

AI21 Labs

Software

Enterprise language AI solutions

From
Free
Rated
-
Full reviewWebsite
Capsule logo

Capsule

Software

Visual CRM for small teams

From
$19/month
Rated
-
Full reviewWebsite

The short version

  • Only AI21 Labs has a free tier, so it costs nothing to try first.
  • Each has a real cost: AI21 Labs the free allowance is $10 of credit lasting 7 days rather than an ongoing free tier; Capsule the free plan is capped at 2 users, 250 contacts, 5 custom fields and a single pipeline
  • They diverge on capability: AI21 Labs covers Jamba models, Capsule covers Contact management.

Where they differ

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

Attributes where AI21 Labs and Capsule differ
AttributeAI21 LabsCapsule
Starting priceFree$19/month
Pricing modelusage-basedsubscription
Free tierYesNo
PlatformsApi, CloudWeb, Ios, Android
Founded20172008

Identical on both: 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 Capsule

  • Contact management
  • Deal tracking
  • Task management
  • Email sync
  • Activity timeline
  • Slack
  • Zapier
  • Google Apps

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

Capsule

  • Simple contact and pipeline CRM for a small teamnot AI21 Labs
  • Tracking deals and follow-up tasksnot AI21 Labs
  • Linking emails and notes to contact recordsnot AI21 Labs
  • Multiple sales pipelines on the paid tiersnot 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

Capsule

  • The free plan is capped at 2 users, 250 contacts, 5 custom fields and a single pipeline
  • Contact ceilings gate every tier, from 30,000 on Starter to 120,000 on Advanced
  • Per-user prices are not shown as figures on the pricing page, only as tier names
  • Ultimate is quote-only

Pricing, plan by plan

AI21 Labs

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

Capsule

$19/month
  • Starter$19/month
    • Contact management
    • Task tracking
  • Professional$39/month
    • Everything in Starter
    • Pipeline management
    • Reporting
  • Enterprise$99/month
    • Everything in Professional
    • Custom fields
    • API access

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 Capsule if

  • You need contact management.
  • You work on Web, Ios, Android.
  • You also want deal tracking.
Capsule review

Questions people ask

Is AI21 Labs or Capsule better?
Neither clearly leads. AI21 Labs starts at Free and Capsule at $19/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AI21 Labs or Capsule?
AI21 Labs has a free tier; the other does not. Paid plans start at Free for AI21 Labs and $19/month for Capsule.
Does AI21 Labs or Capsule run on more platforms?
AI21 Labs runs on Api, Cloud. Capsule runs on Web, Ios, Android.
Can I use AI21 Labs for free?
Yes. AI21 Labs has a free tier, so you can try it without paying. Capsule starts at $19/month.
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 Capsule is typically brought in for.
What can AI21 Labs do that Capsule cannot?
AI21 Labs covers Jamba models, Long context, RAG engine, Writing tools. Capsule covers Contact management, Deal tracking, Task management, Email sync.
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