Comparison

ClickHouse vs Altinity | Run open source ClickHouse® better

ClickHouse and Altinity | Run open source ClickHouse® better both land on Depends.
clickhouse.com
Buy if your team queries billions of rows and has data-engineering capacity to run it.
Read the full report
altinity.com
Buy if you're committed to open-source ClickHouse at scale on Kubernetes or your own cloud and want expert ops plus 24/7 DBA support.
Read the full report
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ClickHouse versus Altinity | Run open source ClickHouse® better| Compare | ClickHouse | Altinity | Run open source ClickHouse® better |
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| Verdict | Depends | Depends |
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| Best for | Real-time analytics on billions of rows | Teams self-hosting ClickHouse at scale |
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| Who it's not for | Small apps needing a simple CRUD database | Small teams needing a simple analytics store |
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| Privacy | Active project with a public security changelog; several CVEs disclosed over the years, including RCE and SSRF issues. | No Altinity-specific breaches found; upstream ClickHouse CVEs exist, and Altinity Stable builds add CVE scanning with 3-year LTS support. |
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| Support quality | Support program exists but no quality evidence | 24/7 support, DBA expertise, 100% would recommend |
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| Public sentiment | Users overwhelmingly praise speed, stability, and cost, while flagging operational complexity at extreme scale and thin GUI tooling. | Users praise Altinity's fully open-source stable builds and support; ClickHouse itself is powerful but operationally finicky. |
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| Biggest gotcha | Cloud pricing separates compute and storage; heavy ingest drives costs up | No public pricing in sources reviewed; expect custom quotes via sales |
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Pick ClickHouse when
- Real-time analytics on billions of rows
- Observability and log analytics at scale
- User-facing embedded analytics
- SQL-fluent data teams
When ClickHouse is not a fit
- Small apps needing a simple CRUD database
- Teams with no dedicated data or ops engineers
- Transactional (OLTP) workloads
- Anyone wanting spreadsheet-grade reporting
Pick Altinity | Run open source ClickHouse® better when
- Teams self-hosting ClickHouse at scale
- Kubernetes-centric data platforms
- Real-time analytics needing BYOC or private cloud
- Orgs wanting open source with enterprise support
When Altinity | Run open source ClickHouse® better is not a fit
- Small teams needing a simple analytics store
- Buyers wanting published, self-serve pricing
- Non-ClickHouse workloads like general BI or CRM reporting
- Teams already happy with official ClickHouse Cloud
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