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AI · head to head

Chatbase vs Weka

Chatbase logo

Chatbase

AI

Build AI chatbots trained on your data

From
Free
Free plan
Yes
Full reviewWebsite
Weka logo

Weka

Machine Learning

Collection of machine learning algorithms

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Chatbase enterprise plan requires custom pricing with sales contact; Weka the package management system needs an internet connection to download and install packages, so an air-gapped install gets only the core distribution
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Chatbase and Weka actually diverge.

Attributes where Chatbase and Weka differ
AttributeChatbaseWeka
Pricing modelfreemiumopen-source
PlatformsWebLinux, Mac, Windows
CategoryAIMachine Learning
FoundedUnknown1993

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 Chatbase

Nothing recorded that Weka does not also cover.

Only in Weka

  • Classification
  • Regression
  • Clustering
  • Association rules
  • Feature selection
  • Java
  • R
  • Python

What people use each for

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

Chatbase

  • Automating customer support for returnsnot Weka
  • Answering product questions 24/7 across channelsnot Weka
  • Routing conversations to sales teamsnot Weka
  • Escalating complex issues to human agentsnot Weka

Weka

  • Teaching and exploring classic machine learning algorithms through a GUInot Chatbase
  • Running data mining experiments and preprocessing without writing codenot Chatbase

Where each one falls short

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

Chatbase

  • Enterprise plan requires custom pricing with sales contact
  • Message credits are consumption-based; exceeding monthly allocation requires additional purchase

Weka

  • The package management system needs an internet connection to download and install packages, so an air-gapped install gets only the core distribution
  • Weka is split into a stable 3.8 branch that receives only bug fixes and compatibility-safe upgrades and a 3.9 development branch that may receive features that break compatibility
  • Weka requires a 64-bit Java VM; the bundled installers ship Bellsoft OpenJDK 25 per platform and architecture

Pricing, plan by plan

Chatbase

Free
  • FreeFree
    • 50 message credits monthly
    • 1 member
    • Limited model access
  • Hobby$40/month
    • 700 message credits
    • 2 members
    • Advanced models
  • Standard$150/month
    • 4,000 message credits
    • 3 members
    • Voice
  • Pro$500/month
    • 15,000 message credits
    • 5 members
    • Advanced analytics

Weka

Free
  • Open SourceFree
    • All ML algorithms
    • GUI and CLI
    • Java API

Which should you pick?

Choose Chatbase if

  • You want to start without paying.
Chatbase review

Choose Weka if

  • You need classification.
  • You want to start without paying.
  • You work on Linux, Mac, Windows.
  • You also want regression.
Weka review

Questions people ask

Is Chatbase or Weka better?
Neither clearly leads. Chatbase starts at Free and Weka at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Chatbase or Weka?
Chatbase starts at Free and Weka at Free.
Does Chatbase or Weka run on more platforms?
Chatbase runs on Web. Weka runs on Linux, Mac, Windows.
Can I use Chatbase for free?
Both have a free tier, so you can try either at no cost before committing.
What is Chatbase best used for?
Chatbase is most often used for automating customer support for returns, answering product questions 24/7 across channels, routing conversations to sales teams, escalating complex issues to human agents. Of those, automating customer support for returns and answering product questions 24/7 across channels are not what Weka is typically brought in for.
What can Chatbase do that Weka cannot?
Weka covers Classification, Regression, Clustering, Association rules.

Answered from the vendors’ own pages

Chatbase: Is there a free tier for Chatbase?

Yes, Chatbase offers a free plan with 50 message credits per month, 1 team member, and limited access to AI models. Agents created on the free plan automatically delete after 14 days of inactivity.

Source
Weka: What is the cost of Weka software?

Weka is provided at no cost as open-source software released under the GNU General Public License, making it freely available for download and use.

Source
Chatbase: What are the differences between Standard and Pro plans?

Standard ($150/month) includes 4,000 message credits and 3 team members with voice, telephony, and API access. Pro ($500/month) includes 15,000 message credits, 5 team members, and advanced analytics with ticket support.

Source
Weka: Are there commercial licensing options available?

Yes, the project offers information about commercial licenses for organizations requiring non-GPL terms, which can be found in their commercial applications documentation.

Source
Chatbase: How much does it cost to add extra team members beyond the plan limit?

Chatbase's pricing page does not specify the cost for adding extra team members beyond the included count in each plan. Contact sales for custom member add-on pricing.

Source
Weka: What support resources are available to users?

Multiple support avenues exist including comprehensive documentation, frequently asked questions, dedicated help resources, and access to courses for learning the platform.

Source
Chatbase: Do annual plans offer a discount?

Yes, yearly plans save 20% compared to monthly billing across all tiers.

Source
Weka: Is source code access provided?

Yes, developers have full access to source code through the Git repository, along with development documentation and code credits for contributors.

Source
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