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Spreadsheets · head to head

APITable vs RapidMiner

APITable logo

APITable

Spreadsheets

Open source spreadsheet database with an API first design and an embeddable widget system

From
Free
Rated
-
Full reviewWebsite
RapidMiner logo

RapidMiner

Machine Learning

Visual workflow data science platform, now sold by Altair as AI Studio

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: APITable records are held in the product own schema rather than as native database tables, so the practical row ceiling is a product limit and large tables should be load tested before commitment.; RapidMiner processes are stored as the product's own XML, so they cannot be meaningfully diffed, reviewed in a pull request or executed anywhere else, and a team's accumulated work is not portable in any practical sense.
  • They diverge on capability: APITable covers API first design, RapidMiner covers Visual process canvas.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which APITable and RapidMiner actually diverge.

Attributes where APITable and RapidMiner differ
AttributeAPITableRapidMiner
Pricing modelOpen source, no licence feefreemium
PlatformsWeb, LinuxLinux, Mac, Windows, Web
CategorySpreadsheetsMachine Learning
FoundedUnknown2007

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 APITable

  • API first design
  • Widget SDK
  • Embeddable views
  • Multiple view types
  • Linked records and formulas
  • Self hosting
  • Real time collaboration

Only in RapidMiner

  • Visual process canvas
  • Operator library
  • Automatic modelling
  • Python and R operators
  • Validation operators
  • Text and time series extensions
  • AI Hub server
  • Altair portfolio integration

What people use each for

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

APITable

  • Embedding an editable table view inside a product you are building, rather than sending users to another toolnot RapidMiner
  • An internal platform where tables are read and written mostly by code through the API and only occasionally by peoplenot RapidMiner
  • A self hosted replacement for a per seat spreadsheet database where seat count is the cost drivernot RapidMiner
  • Building a custom dashboard widget that sits beside the data instead of in a separate reporting toolnot RapidMiner

RapidMiner

  • Modelling work in an engineering organisation where the analysis must be reviewable by people who do not codenot APITable
  • Teaching data science concepts, where seeing the validation split as a visible connection is more instructive than reading a function callnot APITable
  • Companies already holding Altair licences, where adding this draws on units already purchased rather than a new procurementnot APITable
  • Business analysts building predictive workflows without a data science team to hand the problem tonot APITable

Where each one falls short

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

APITable

  • Records are held in the product own schema rather than as native database tables, so the practical row ceiling is a product limit and large tables should be load tested before commitment.
  • The hosted free tier caps records per space, so evaluating on the cloud version gives a misleading picture of what the software can do when self hosted.
  • Automation is thin compared with the commercial alternatives, and most real workflows end up in an external automation tool.
  • The self hosted deployment is heavier than a single container, so running it properly means managing several services rather than one.
  • Documentation and community activity are uneven in English, and finding an answer to an operational problem can take longer than the problem itself deserves.

RapidMiner

  • Processes are stored as the product's own XML, so they cannot be meaningfully diffed, reviewed in a pull request or executed anywhere else, and a team's accumulated work is not portable in any practical sense.
  • The operator library is the ceiling, and anything beyond it means dropping into an embedded Python or R operator, at which point the code sits inside a visual container that provides none of the version control, testing or debugging a normal repository would.
  • Two changes of ownership in three years, Altair in 2022 and Siemens thereafter, have already moved the product's name, packaging and licensing, so a buyer is committing to a roadmap decided inside a much larger engineering software business.
  • Licensing draws on Altair's shared units pool, so running heavy modelling work consumes capacity that other teams in the organisation were relying on for different products, which makes cost attribution and capacity planning awkward.
  • Scheduling and deployment require AI Hub as a separate server product to install, license and operate, so a model built on the desktop is not in production until another purchase and another installation have been completed.

Pricing, plan by plan

APITable

Free
  • Self hosted open sourceFree
    • No licence fee
    • No product record cap on self hosted deployments
    • Docker and Kubernetes deployment

RapidMiner

Free
  • FreeFree
    • 10,000 data rows
    • 1 logical processor
  • ProfessionalFree
    • Unlimited data
    • Full features
    • Support

Which should you pick?

Choose APITable if

  • You need api first design.
  • You want to start without paying.
  • You work on Web, Linux.
  • You also want widget sdk.
APITable review

Choose RapidMiner if

  • You need visual process canvas.
  • You want to start without paying.
  • You work on Linux, Mac, Windows, Web.
  • You also want operator library.
RapidMiner review

Questions people ask

Is APITable or RapidMiner better?
Neither clearly leads. APITable starts at Free and RapidMiner at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, APITable or RapidMiner?
APITable starts at Free and RapidMiner at Free.
Does APITable or RapidMiner run on more platforms?
APITable runs on Web, Linux. RapidMiner runs on Linux, Mac, Windows, Web.
Can I use APITable for free?
Both have a free tier, so you can try either at no cost before committing.
What is APITable best used for?
APITable is most often used for embedding an editable table view inside a product you are building, rather than sending users to another tool, an internal platform where tables are read and written mostly by code through the api and only occasionally by people, a self hosted replacement for a per seat spreadsheet database where seat count is the cost driver, building a custom dashboard widget that sits beside the data instead of in a separate reporting tool. Of those, embedding an editable table view inside a product you are building, rather than sending users to another tool and an internal platform where tables are read and written mostly by code through the api and only occasionally by people are not what RapidMiner is typically brought in for.
What can APITable do that RapidMiner cannot?
APITable covers API first design, Widget SDK, Embeddable views, Multiple view types. RapidMiner covers Visual process canvas, Operator library, Automatic modelling, Python and R operators.

Answered from the vendors’ own pages

APITable: What is the record limit?

The self hosted edition has no product cap, but performance is bounded by the internal schema rather than by your database. Test at your expected size.

RapidMiner: Is it still called RapidMiner?

The desktop product is now Altair AI Studio and the server is Altair AI Hub. The RapidMiner name persists in documentation, community material and most search results, which makes finding current information harder than it should be.

APITable: Can I embed it in my own product?

Yes, and that is the main reason to choose it. Views embed and the widget SDK extends them.

RapidMiner: Is there a free version?

Altair has offered free and academic editions with usage limits, but the terms have moved with each ownership change, so check what is currently on offer rather than relying on what the free tier allowed a few years ago.

APITable: Is the hosted version representative?

No. Its free tier caps records per space, which is a commercial limit rather than a technical one.

RapidMiner: Do I need to write code?

No, which is the point of it. You will write some once you hit the edge of the operator library, and at that stage the tool works against you rather than for you.

APITable: How hard is self hosting?

Harder than a single container. Plan for several services and someone to keep them running.

RapidMiner: Can I put a model into production?

Through AI Hub, which is a separate licensed server. The desktop tool builds and validates; it does not schedule or serve.

APITable: Does it do automations?

Lightly. Expect to pair it with an external automation tool for anything multi step.

RapidMiner: How does licensing work?

Through Altair's units model, where a pool of purchased units is drawn on by whichever Altair products your organisation runs, rather than a per-seat licence specific to this product.

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