Softwr

Software · head to head

Celonis vs ClickHouse

Celonis logo

Celonis

Software

German process mining platform that analyzes, designs and operates AI-driven business processes

From
On request
Rated
-
Full reviewWebsite
ClickHouse logo

ClickHouse

Software

Fast open-source column-oriented database for real-time analytics

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only ClickHouse has a free tier, so it costs nothing to try first.
  • Each has a real cost: Celonis no pricing is published anywhere on the site; the only path to a quote is a Contact Us sales form requiring company details, with no self-serve signup or published starting price; ClickHouse limited multi-row atomic transactions and expensive UPDATE/DELETE operations unsuitable for transactional systems

Where they differ

Only the attributes on which Celonis and ClickHouse actually diverge.

Attributes where Celonis and ClickHouse differ
AttributeCelonisClickHouse
Starting priceOn requestFree
Pricing modelquoteUnknown
Free tierNoYes
PlatformsWebLinux, macOS, Windows (via Docker)
FoundedUnknown2021

Identical on both: user rating (Not yet rated), category (Unknown).

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 Celonis

Nothing recorded that ClickHouse does not also cover.

Only in ClickHouse

  • Column-oriented Storage
  • Real-time Analytics
  • SQL Support
  • Linear Scalability
  • Data Compression
  • Vectorized Query Execution
  • Approximate Calculations
  • Kafka

What people use each for

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

Celonis

No use cases recorded yet. See the Celonis review.

ClickHouse

  • Business intelligencenot Celonis
  • Data warehousingnot Celonis
  • Real-time analyticsnot Celonis
  • Reportingnot Celonis
  • Machine learningnot Celonis

Where each one falls short

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

Celonis

  • No pricing is published anywhere on the site; the only path to a quote is a Contact Us sales form requiring company details, with no self-serve signup or published starting price
  • The vendor's own contact page directs prospects to wait for a Celonis representative to get in touch rather than offering instant access

ClickHouse

  • Limited multi-row atomic transactions and expensive UPDATE/DELETE operations unsuitable for transactional systems
  • Requires upfront schema design discipline with MergeTree engine choices and sort/partition keys
  • Experimental vector search support, not production-ready for vector operations
  • Different query syntax from standard SQL requiring migration planning
  • Limited JOIN capabilities compared to traditional relational databases
  • Migration complexity with 2-4 weeks estimated for data type mapping and query translation

Pricing, plan by plan

Celonis

On request

No published plan breakdown. See the Celonis review.

ClickHouse

Free

No published plan breakdown. See the ClickHouse review.

Which should you pick?

Choose Celonis if

Nothing in the data separates Celonis from ClickHouse on the points above - pick on price and on how each one feels to use.

Celonis review

Choose ClickHouse if

  • You need column-oriented storage.
  • You want to start without paying.
  • You work on Linux, macOS, Windows (via Docker).
  • You also want real-time analytics.
ClickHouse review

Questions people ask

Is Celonis or ClickHouse better?
Neither clearly leads. Celonis starts at On request and ClickHouse at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Celonis or ClickHouse?
ClickHouse has a free tier; the other does not. Paid plans start at On request for Celonis and Free for ClickHouse.
Does Celonis or ClickHouse run on more platforms?
Celonis runs on Web. ClickHouse runs on Linux, macOS, Windows (via Docker).
Can I use ClickHouse for free?
Yes. ClickHouse has a free tier, so you can try it without paying. Celonis starts at On request.
What can Celonis do that ClickHouse cannot?
ClickHouse covers Column-oriented Storage, Real-time Analytics, SQL Support, Linear Scalability.

Answered from the vendors’ own pages

ClickHouse: What is ClickHouse best used for?

ClickHouse is optimized for analytical workloads on large datasets. It excels at fast aggregations and queries, being 10-100x faster than PostgreSQL on large aggregations.

Source
ClickHouse: Does ClickHouse support transactions?

ClickHouse has limited transaction support and expensive UPDATE/DELETE operations. It is not suitable for transactional workloads requiring strict ACID guarantees.

Source
ClickHouse: How does ClickHouse compare to PostgreSQL?

ClickHouse is 10-100x faster for analytics but PostgreSQL is better for transactional workloads. Many teams use both: PostgreSQL for writes via MaterializedPostgreSQL replication to ClickHouse for analytics.

Source
ShareXLinkedInRedditWhatsAppEmail

Related pages

More on Celonis

More on ClickHouse

Keep looking

Other head to heads