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Software · head to head

AI21 Labs vs Clockwise

AI21 Labs logo

AI21 Labs

Software

Enterprise language AI solutions

From
Free
Rated
-
C

Clockwise

Software

Intelligent calendar management for teams

From
Free
Rated
-

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; Clockwise service discontinued and shut down on March 27, 2026
  • They diverge on capability: AI21 Labs covers Jamba models, Clockwise covers Focus Time protection.

Where they differ

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

Attributes where AI21 Labs and Clockwise differ
AttributeAI21 LabsClockwise
Pricing modelusage-basedfreemium
PlatformsApi, CloudWeb
Founded20172016

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 Clockwise

  • Focus Time protection
  • Meeting optimization
  • Scheduling links
  • Team analytics
  • Conflict resolution
  • Google Calendar
  • Slack
  • Zoom

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

Clockwise

  • Schedulingnot AI21 Labs
  • Appointment bookingnot AI21 Labs
  • Time trackingnot AI21 Labs
  • Resource managementnot AI21 Labs
  • Team coordinationnot 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

Clockwise

  • Service discontinued and shut down on March 27, 2026
  • All user data was deleted upon shutdown
  • Integration with Asana was removed during product lifecycle

Pricing, plan by plan

AI21 Labs

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

Clockwise

Free
  • FreeFree
    • Focus Time
    • Meeting optimization
    • Personal analytics
  • Teams$6.75/month
    • Team analytics
    • Flexible meetings
    • Admin controls

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.

Choose Clockwise if

  • You need focus time protection.
  • You want to start without paying.
  • You also want meeting optimization.

Questions people ask

Is AI21 Labs or Clockwise better?
Neither clearly leads. AI21 Labs starts at Free and Clockwise at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AI21 Labs or Clockwise?
AI21 Labs starts at Free and Clockwise at Free.
Does AI21 Labs or Clockwise run on more platforms?
AI21 Labs runs on Api, Cloud. Clockwise runs on Web.
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 Clockwise is typically brought in for.
What can AI21 Labs do that Clockwise cannot?
AI21 Labs covers Jamba models, Long context, RAG engine, Writing tools. Clockwise covers Focus Time protection, Meeting optimization, Scheduling links, Team analytics.

Answered from the vendors’ own pages

Clockwise: What happened to Clockwise?

Clockwise was acquired by Salesforce and shut down on March 27, 2026. The company announced the team was joining Salesforce to work on Agentforce. User data was deleted and prorated refunds were issued to paying customers.

Source
Clockwise: What integrations did Clockwise support?

Clockwise integrated with Google Calendar, Microsoft Outlook, Slack, and previously Asana (though this integration was discontinued).

Source
Clockwise: What were Clockwise's key features?

Clockwise offered AI-powered focus time protection, automatic meeting buffers, Slack status sync, smart lunch breaks, and team calendar synchronization to optimize schedules and prevent burnout.

Source

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