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AI · head to head

DeepSeek vs Weka

DeepSeek logo

DeepSeek

AI

Chinese AI lab offering reasoning models via web and API

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: DeepSeek specific pricing details not published on homepage; API pricing page referenced but content not available; 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 DeepSeek and Weka actually diverge.

Attributes where DeepSeek and Weka differ
AttributeDeepSeekWeka
Pricing modelfreemiumopen-source
PlatformsWeb, iOS, Android, APILinux, 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 DeepSeek

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.

DeepSeek

  • Large language model and AI chat interfacenot Weka
  • API-based AI service for developersnot Weka
  • Natural language processing applicationsnot Weka

Weka

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

Where each one falls short

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

DeepSeek

  • Specific pricing details not published on homepage; API pricing page referenced but content not available
  • No published tier information, costs, or feature limitations on main website
  • Free web interface available but API pricing models not disclosed

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

DeepSeek

Free
  • Web ChatFree
    • Conversation access
    • Latest model access
  • API$undefined/variable
    • Pay-per-token pricing
    • Multiple models available

Weka

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

Which should you pick?

Choose DeepSeek if

  • You want to start without paying.
  • You work on Web, iOS, Android, API.
DeepSeek 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 DeepSeek or Weka better?
Neither clearly leads. DeepSeek 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, DeepSeek or Weka?
DeepSeek starts at Free and Weka at Free.
Does DeepSeek or Weka run on more platforms?
DeepSeek runs on Web, iOS, Android, API. Weka runs on Linux, Mac, Windows.
Can I use DeepSeek for free?
Both have a free tier, so you can try either at no cost before committing.
What is DeepSeek best used for?
DeepSeek is most often used for large language model and ai chat interface, api-based ai service for developers, natural language processing applications. Of those, large language model and ai chat interface and api-based ai service for developers are not what Weka is typically brought in for.
What can DeepSeek do that Weka cannot?
Weka covers Classification, Regression, Clustering, Association rules.

Answered from the vendors’ own pages

DeepSeek: Does DeepSeek offer a free version?

Yes, DeepSeek offers free conversations through its web interface. Specific free tier limitations and API pricing are available at https://api-docs.deepseek.com/zh-cn/quick_start/pricing.

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
DeepSeek: What is DeepSeek's pricing model?

DeepSeek references both free web-based conversations and paid API access. Detailed API pricing information is published on their API documentation site but not on the main homepage.

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
DeepSeek: Can I use DeepSeek for commercial purposes?

DeepSeek's terms for commercial use are not clearly stated on the homepage. Contact DeepSeek or review their API documentation for commercial licensing and pricing information.

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
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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