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AI · head to head

AI21 Labs vs WorkCast

AI21 Labs logo

AI21 Labs

AI

Enterprise language AI solutions

From
Free
Rated
-
Full reviewWebsite
WorkCast logo

WorkCast

Webinars

Enterprise webinar and virtual event platform for global reach

From
On request
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; WorkCast listed on UK G-Cloud 14, the WorkCast Corporation's own Virtual Events pricing document offers a 14-day free trial covering the Lite and Pro licence tiers of the WorkCast platform
  • They diverge on capability: AI21 Labs covers Jamba models, WorkCast covers Live webcasting.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where AI21 Labs and WorkCast differ
AttributeAI21 LabsWorkCast
Starting priceFreeOn request
Pricing modelusage-basedsubscription
Free tierYesNo
PlatformsApi, CloudWeb, IOS, Android
CategoryAIWebinars
Founded20172007

Identical on both: 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 AI21 Labs

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

Only in WorkCast

  • Live webcasting
  • On-demand content
  • Virtual events
  • Audience engagement
  • Multi-language support
  • Salesforce
  • Marketo
  • Eloqua

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

WorkCast

  • Virtual Eventsnot AI21 Labs
  • Webinarsnot AI21 Labs
  • Webcastingnot 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

WorkCast

  • Listed on UK G-Cloud 14, the WorkCast Corporation's own Virtual Events pricing document offers a 14-day free trial covering the Lite and Pro licence tiers of the WorkCast platform

Pricing, plan by plan

AI21 Labs

Free
  • Free TrialFree
    • 10 USD credits
    • 7-day trial period
    • No credit card required
  • Pay As You Go$undefined/mo
    • Usage-based pricing model
    • Access to all Foundation model APIs and SDK
    • Unlimited seats
  • Custom Plan$undefined/mo
    • Volume discounts on token pricing
    • Premium API rate limits
    • Private cloud hosting option

WorkCast

On request
  • Professional$499/month
    • Up to 500 attendees
    • Custom branding
    • Analytics dashboard
  • Business$999/month
    • Up to 2000 attendees
    • Multi-language support
    • Priority support
  • Enterprise$2499/month
    • Unlimited attendees
    • Dedicated success manager
    • Custom integrations

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 WorkCast if

  • You need live webcasting.
  • You work on Web, IOS, Android.
  • You also want on-demand content.
WorkCast review

Questions people ask

Is AI21 Labs or WorkCast better?
Neither clearly leads. AI21 Labs starts at Free and WorkCast at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AI21 Labs or WorkCast?
AI21 Labs has a free tier; the other does not. Paid plans start at Free for AI21 Labs and On request for WorkCast.
Does AI21 Labs or WorkCast run on more platforms?
AI21 Labs runs on Api, Cloud. WorkCast 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. WorkCast starts at On request.
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 WorkCast is typically brought in for.
What can AI21 Labs do that WorkCast cannot?
AI21 Labs covers Jamba models, Long context, RAG engine, Writing tools. WorkCast covers Live webcasting, On-demand content, Virtual events, Audience engagement.

Answered from the vendors’ own pages

AI21 Labs: How much do AI21's Jamba Mini and Jamba Large models cost?

Jamba Mini costs $0.2 per 1M input tokens and $0.4 per 1M output tokens. Jamba Large is priced at $2 per 1M input tokens and $8 per 1M output tokens. Both models use usage-based billing with no monthly minimums.

Source
WorkCast: What are the base pricing tiers for Workcast?

Workcast's Business Plan starts at £95 per month with 2 users and up to 1,000 registrations per month. Business Pro is available on request for 5 users, and Enterprise plans are custom-priced based on your requirements.

Source
AI21 Labs: Does AI21 offer a free trial?

Yes, AI21 provides a free trial with 10 USD in credits for 7 days, no credit card required. The trial grants access to all Foundation models via API and SDK.

Source
WorkCast: What is the contract length for Workcast subscriptions?

All plans require a 12-month subscription term, though monthly payment options are available within that commitment.

Source
AI21 Labs: How do AI21's custom plans and volume discounts work?

Custom plans with volume discounts are available for enterprises but require contacting sales. These plans can include premium API rate limits, private cloud hosting, priority support, dedicated account managers, and expert consultancy.

Source
WorkCast: Does Workcast offer a free trial?

Yes, Workcast provides a 14-day free trial that allows you to experiment with the platform before committing to a paid plan.

Source
AI21 Labs: What does AI21 mean by 30% token efficiency savings?

AI21 claims their tokenization delivers approximately 30% more text per token compared to other providers, which can reduce effective costs by roughly 30%. This applies primarily to English-language text averaging 1 word or 6 characters per token.

Source
WorkCast: What support do I get with my Workcast plan?

All plans include dedicated onboarding, self-service resources, a learning portal, and 24/5 live support. Enterprise customers receive a dedicated account manager with regular scheduled meetings.

Source
WorkCast: Is there a pay-as-you-go option for one-time webinars?

Yes, Workcast offers a pay-per-use managed service option for single webinars in addition to their subscription plans.

Source
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