PostgreSQL vs ClickHouse: Which Should You Choose in 2026?
Choosing between PostgreSQL and ClickHouse comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
PostgreSQL
Advanced open source SQL database
Best for you if:
- • You need something completely free
ClickHouse
Fast open-source analytics database
Best for you if:
| At a Glance | ||
|---|---|---|
Price | Free | Free + Paid |
Best For | Data & Databases | Data & Databases |
Rating | 90/100 | 90/100 |
| Feature | PostgreSQL | ClickHouse |
|---|---|---|
| Pricing Model | Free | Freemium |
| Editorial Score | 90 | 90 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Data & DatabasesDeveloper Tools | Data & Databases |
Understanding the Differences
Both PostgreSQL and ClickHouse solve similar problems, but they approach them differently.PostgreSQL positions itself as "advanced open source sql database" while ClickHousefocuses on "fast open-source analytics database". These differences matter depending on what you're trying to accomplish.
When to Choose PostgreSQL
PostgreSQL makes sense if you're looking for a completely free solution.
When to Choose ClickHouse
ClickHouse is worth considering if you need a flexible option with both free and paid tiers tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, PostgreSQL lets you get started without pulling out your credit card.
We'd pick: PostgreSQL
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. ClickHouse is built for teams that are leveling up.
We'd pick: ClickHouse
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Both have enterprise tiers—compare their security features.
We'd pick: PostgreSQL
Still not sure? Answer these 3 questions
How much can you spend?
Nothing at all? PostgreSQL is completely free.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated PostgreSQL higher (90/100). But the community has upvoted ClickHouse more (0 votes). Pick your source of truth.
Key Takeaways
What PostgreSQL Does Better
- Our recommendation for most use cases
Consider ClickHouse If
- You want to start free and scale later
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with PostgreSQL (90/100). But the honest answer is that "better" depends on your situation. PostgreSQL scores higher in our analysis, but ClickHouse might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is PostgreSQL or ClickHouse better?
Based on our analysis, PostgreSQL scores higher with 90/100. PostgreSQL isfree while ClickHouse is freemium. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from PostgreSQL to ClickHouse easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do PostgreSQL and ClickHouse offer free trials?
Most software in this category offers free trials or free tiers. PostgreSQL is completely free.ClickHouse is freemium with a free tier. Visit their websites for current trial offers.