Celeus

IBM SPSS Statistics vs Celeus: how they compare

IBM SPSS Statistics is a commercial desktop package with menus and command syntax. Celeus is a browser service that proposes methods. Sourced, dated facts.

Written by Celeus, which makes one of the two tools compared. Facts about IBM SPSS Statistics come from IBM SPSS Statistics's own pages and were last checked on .

IBM SPSS Statistics is a commercial statistics package. You work through menus and dialog boxes, and the choices can be pasted as command syntax and saved in a syntax file to rerun later. IBM sells it as a subscription or a perpetual licence, with add-on modules for specialised analyses, and the current release includes an AI Output Assistant that comments on the output you select.

Celeus takes a different route to the same goal of a defensible analysis. It runs in the browser, reads the structure of your dataset and proposes methods that fit, and you can open SPSS, Stata and SAS files on a paid plan. The statistics are computed in R, and each run exports the plan, the R script, the seed and an audit log. The AI model receives metadata, aggregate results and text you write, never data rows (the table below lists exactly what).

Teams with years of SPSS syntax, or with a campus licence already paid for, have good reasons to stay with it. Celeus is aimed at the researcher who wants help choosing the method and a plain R script as the record.

At a glance

What we comparedIBM SPSS StatisticsCeleus
Price and free tierPaid, as a subscription or a perpetual licence, with a free trial. IBM describes its listed prices as indicative and varying by country. (IBM SPSS Statistics, as of )Free plan; Pro is $19 a month for one researcher.
Where it runsA desktop app for Windows and macOS. IBM states the desktop software is not supported on Linux. (IBM SPSS Statistics, as of )In a web browser. No desktop app and no offline mode.
How the method is chosenYou pick procedures from menus and dialog boxes, and can paste the matching command syntax into a syntax window. (IBM SPSS Statistics, as of )Celeus suggests methods that fit your dataset's structure, and the AI suggests a test when you ask for one. The statistics run in R, not in the AI model.
AI involved, and what of your data reaches itAn AI Output Assistant, powered by IBM watsonx.ai, gives insight on the analysis output you select, or on all of it. It is on by default in the Output Viewer, and uses either IBM's free insights or your own watsonx.ai account. (IBM SPSS Statistics, as of )The AI model receives: column names, types and variable labels stored in your file; summary statistics, including each numeric column's minimum and maximum; category names, with small counts withheld; aggregate results of your analyses; text you write: chat messages, research questions, notes and codebook descriptions; dataset names (by default, the name of the file you uploaded). It never receives: your uploaded file; data rows or data tables.
Reproducibility outputPasted command syntax can be saved in a syntax file that repeats the analysis later or runs as an automated production job. (IBM SPSS Statistics, as of )The plan, the exact R script, the seed, session info, the results and the audit log, in one download.
File formats it opensOpens its own format plus Excel, SAS, Stata, tab-delimited and other files without converting them first. (IBM SPSS Statistics, as of )CSV, TSV or Excel on every plan; SPSS, Stata and SAS on paid plans.
Breadth of methodsStatistical testing, predictive modelling, regression and forecasting, together with data preparation. (IBM SPSS Statistics, as of )40 statistical methods.
LicenceCommercial: a subscription, or a perpetual licence bought with a one-time payment. (IBM SPSS Statistics, as of )Proprietary hosted service.

Who each tool suits

IBM SPSS Statistics: Institutions and analysts who already work in its menus or syntax, rely on its add-on modules, or need repeatable production jobs under a campus or company licence.

Celeus: Individual researchers and small labs who want a method suggested for their dataset in the browser, with the R code and seed for each result, and who may bring SPSS files with them.

Where IBM SPSS Statistics is the stronger choice

See Celeus plans and pricing

IBM SPSS Statistics is a trademark of its owner. Celeus is not affiliated with, sponsored by or approved by the owner of IBM SPSS Statistics; the name is used only to identify the product being compared.