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Software · head to head

Elastic vs PostgreSQL

E

Elastic

Software

Search AI powered by Elasticsearch

From
On request
Rated
-
Full reviewWebsite
PostgreSQL logo

PostgreSQL

Software

The world's most advanced open source relational database

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only PostgreSQL has a free tier, so it costs nothing to try first.
  • Each has a real cost: Elastic the 99.95% monthly uptime SLA is only offered on the Platinum and Enterprise subscription tiers of Hosted deployments, not on lower tiers, per elastic.co, August 2026; PostgreSQL requires manual scaling across multiple machines for very large deployments

Where they differ

Only the attributes on which Elastic and PostgreSQL actually diverge.

Attributes where Elastic and PostgreSQL differ
AttributeElasticPostgreSQL
Starting priceOn requestFree
Free tierNoYes
PlatformsWebLinux, Windows, macOS, BSD, Unix
FoundedUnknown1996

Identical on both: pricing model (Unknown), 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 Elastic

Nothing recorded that PostgreSQL does not also cover.

Only in PostgreSQL

  • ACID Compliance
  • JSON/JSONB Support
  • Full-text Search
  • Extensibility
  • Advanced Indexing
  • Partitioning
  • Replication
  • pgAdmin

What people use each for

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

Elastic

No use cases recorded yet. See the Elastic review.

PostgreSQL

  • Transaction processingnot Elastic
  • Data storagenot Elastic
  • Application backendnot Elastic
  • Reportingnot Elastic
  • Data analyticsnot Elastic

Where each one falls short

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

Elastic

  • The 99.95% monthly uptime SLA is only offered on the Platinum and Enterprise subscription tiers of Hosted deployments, not on lower tiers, per elastic.co, August 2026

PostgreSQL

  • Requires manual scaling across multiple machines for very large deployments
  • Performance tuning requires deep knowledge of database internals
  • No built-in graphical admin interface; command-line tools are primary method

Pricing, plan by plan

Elastic

On request

No published plan breakdown. See the Elastic review.

PostgreSQL

Free

No published plan breakdown. See the PostgreSQL review.

Which should you pick?

Choose Elastic if

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

Elastic review

Choose PostgreSQL if

  • You need acid compliance.
  • You want to start without paying.
  • You work on Linux, Windows, macOS, BSD, Unix.
  • You also want json/jsonb support.
PostgreSQL review

Questions people ask

Is Elastic or PostgreSQL better?
Neither clearly leads. Elastic starts at On request and PostgreSQL at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Elastic or PostgreSQL?
PostgreSQL has a free tier; the other does not. Paid plans start at On request for Elastic and Free for PostgreSQL.
Does Elastic or PostgreSQL run on more platforms?
Elastic runs on Web. PostgreSQL runs on Linux, Windows, macOS, BSD, Unix.
Can I use PostgreSQL for free?
Yes. PostgreSQL has a free tier, so you can try it without paying. Elastic starts at On request.
What can Elastic do that PostgreSQL cannot?
PostgreSQL covers ACID Compliance, JSON/JSONB Support, Full-text Search, Extensibility.

Answered from the vendors’ own pages

PostgreSQL: Is PostgreSQL completely free?

Yes. PostgreSQL is completely free and open source with no licensing fees or restrictions on use.

Source
PostgreSQL: What platforms does PostgreSQL run on?

PostgreSQL runs on all major operating systems including Linux, Windows, macOS, BSD, and commercial Unix variants, and has been proven highly scalable managing terabytes to petabytes of data.

Source
PostgreSQL: What procedural languages are supported?

PostgreSQL supports stored functions and procedures in multiple languages including PL/pgSQL, Perl, Python, Tcl, Java, JavaScript, R, and Rust.

Source
PostgreSQL: What is ACID compliance in PostgreSQL?

PostgreSQL has been ACID-compliant since 2001, ensuring data integrity through atomicity, consistency, isolation, and durability guarantees for all transactions.

Source
PostgreSQL: Does PostgreSQL support JSON data?

Yes. PostgreSQL supports JSON and JSONB data types for storing and querying JSON documents, along with XML and other document formats.

Source
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