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AI Tools · head to head

AI21 Labs vs Microsoft To Do

AI21 Labs logo

AI21 Labs

AI Tools

Enterprise language AI solutions

From
Free
Rated
-
M

Microsoft To Do

Calendar & Time Management

Your personal task management app

From
Free
Rated
-

The short version

  • They diverge on capability: AI21 Labs covers Jamba models, Microsoft To Do covers My Day suggestions.

Where they differ

Only the attributes on which AI21 Labs and Microsoft To Do actually diverge.

Attributes where AI21 Labs and Microsoft To Do differ
AttributeAI21 LabsMicrosoft To Do
Pricing modelusage-basedfree
PlatformsApi, CloudWeb, Ios, Android, Windows, Macos
CategoryAI ToolsCalendar & Time Management
Founded20171975

Identical on both: starting price (Free), free tier (Yes), 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 Microsoft To Do

  • My Day suggestions
  • List sharing
  • Steps
  • Due dates
  • Reminders
  • Outlook
  • Microsoft 365
  • Microsoft Teams

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

Microsoft To Do

  • 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

Microsoft To Do

Nothing recorded yet. See the Microsoft To Do review.

Pricing, plan by plan

AI21 Labs

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

Microsoft To Do

Free
  • FreeFree
    • Unlimited tasks
    • My Day
    • List sharing

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 Microsoft To Do if

  • You need my day suggestions.
  • You want to start without paying.
  • You work on Web, Ios, Android, Windows, Macos.
  • You also want list sharing.

Questions people ask

Is AI21 Labs or Microsoft To Do better?
Neither clearly leads. AI21 Labs starts at Free and Microsoft To Do at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AI21 Labs or Microsoft To Do?
AI21 Labs starts at Free and Microsoft To Do at Free.
Does AI21 Labs or Microsoft To Do run on more platforms?
AI21 Labs runs on Api, Cloud. Microsoft To Do runs on Web, Ios, Android, Windows, Macos.
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 Microsoft To Do is typically brought in for.
What can AI21 Labs do that Microsoft To Do cannot?
AI21 Labs covers Jamba models, Long context, RAG engine, Writing tools. Microsoft To Do covers My Day suggestions, List sharing, Steps, Due dates.

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