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Calendars · head to head

Assistant.to vs x.ai

Assistant.to logo

Assistant.to

Calendars

The easiest way to schedule meetings

From
Free
Rated
-
Full reviewWebsite
x.ai logo

x.ai

Calendars

AI-powered meeting scheduling assistant

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Assistant.to has a free tier, so it costs nothing to try first.
  • Each has a real cost: Assistant.to no publicly published pricing rates on website; x.ai aPI pricing is per-token/per-unit, e.g. grok-imagine-image-2.0 costs 0.04 USD per image and text to speech costs 15.00 USD per 1M characters, not a flat subscription
  • They diverge on capability: Assistant.to covers In-email scheduling, x.ai covers AI scheduling assistant.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Assistant.to and x.ai actually diverge.

Attributes where Assistant.to and x.ai differ
AttributeAssistant.tox.ai
Starting priceFreeOn request
Pricing modelfreemiumusage-based
Free tierYesNo
PlatformsChrome-extensionWeb, Email

Identical on both: user rating (Not yet rated), category (Calendars), founded (2014).

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 Assistant.to

  • In-email scheduling
  • One-click booking
  • Google Calendar sync
  • Time zone handling
  • Simple interface
  • Gmail
  • Chrome-extension support

Only in x.ai

  • AI scheduling assistant
  • Email-based scheduling
  • Natural language processing
  • Calendar sync
  • Meeting preferences
  • Outlook
  • Office 365
  • Web support

Both cover

  • Google Calendar

What people use each for

The jobs each tool is most often brought in to do.

Assistant.to

  • Scheduling
  • Appointment booking
  • Time tracking
  • Resource management
  • Team coordination

x.ai

  • Scheduling
  • Appointment booking
  • Time tracking
  • Resource management
  • Team coordination

Both are used for scheduling, appointment booking, time tracking, resource management, team coordination, on those jobs the choice comes down to price and fit rather than capability.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Assistant.to

  • No publicly published pricing rates on website
  • Requires scheduling demo or contacting sales to obtain pricing information
  • Free trial available but no specific trial duration mentioned

x.ai

  • API pricing is per-token/per-unit, e.g. grok-imagine-image-2.0 costs 0.04 USD per image and text to speech costs 15.00 USD per 1M characters, not a flat subscription

Pricing, plan by plan

Assistant.to

Free
  • FreeFree
    • In-email scheduling
    • Basic features
  • Pro$5/month
    • Team features
    • Custom branding
    • Priority support

x.ai

On request
  • DiscontinuedFree
    • Now part of Bizzabo

Which should you pick?

Choose Assistant.to if

  • You need in-email scheduling.
  • You want to start without paying.
  • You work on Chrome-extension.
  • You also want one-click booking.
Assistant.to review

Choose x.ai if

  • You need ai scheduling assistant.
  • You work on Web, Email.
  • You also want email-based scheduling.
x.ai review

Questions people ask

Is Assistant.to or x.ai better?
Neither clearly leads. Assistant.to starts at Free and x.ai at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Assistant.to or x.ai?
Assistant.to has a free tier; the other does not. Paid plans start at Free for Assistant.to and On request for x.ai.
Does Assistant.to or x.ai run on more platforms?
Assistant.to runs on Chrome-extension. x.ai runs on Web, Email.
Can I use Assistant.to for free?
Yes. Assistant.to has a free tier, so you can try it without paying. x.ai starts at On request.
What is Assistant.to best used for?
Assistant.to is most often used for scheduling, appointment booking, time tracking, resource management.
What can Assistant.to do that x.ai cannot?
Assistant.to covers In-email scheduling, One-click booking, Google Calendar sync, Time zone handling. x.ai covers AI scheduling assistant, Email-based scheduling, Natural language processing, Calendar sync. Both handle Google Calendar.

Answered from the vendors’ own pages

Assistant.to: How much does Cirrus Insight (Assistant-to) cost?

Cirrus Insight does not publish specific pricing on its website. Pricing is customized based on your organization's needs. The platform offers a free trial and allows you to build a custom quote in the self-service hub or schedule a demo with the sales team.

Source
Assistant.to: How does Cirrus Insight pricing work with seat selection?

Cirrus Insight allows you to have full control over seat selection, meaning you can purchase different quantities of users for different features. For example, you could license 10 users for Email Sync and 5 users for Calendar Scheduling in the same account.

Source
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