Comparison

ClickHouse vs Prometheus

No clear leader: Prometheus (66.8) and ClickHouse (65.7) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
ClickHouse66
Prometheus67
Score
vioscaleAI score
ClickHouse66 / 100medium · 60%
Prometheus67 / 100medium · 57%
Pricing
Free tier
ClickHouse✓
Prometheus✓
Model
ClickHousefreemium
Prometheusopen_source
Price level
ClickHousemid
Prometheusfree
Starting price
ClickHouse$53
Prometheus–
Transparent
ClickHouse✓
Prometheus✓
Integrations
Count
ClickHouse100
Prometheus60
Reliability
Status page
ClickHouse✓
Prometheus–
Adoption
Dependent repos
ClickHouse1
Prometheus5,467
Github stars
ClickHouse50,255
Prometheus66,366
Package downloads weekly
ClickHouse–
Prometheus11,748,542
Activity
Commits last 30d
ClickHouse100
Prometheus100
Release
Cadence days
ClickHouse–
Prometheus7
History
ClickHouse20 items
Prometheus20 items
License
Spdx
ClickHouseApache-2.0
PrometheusApache-2.0
Language
Primary
ClickHouseC++
PrometheusGo
Content
Faq
ClickHouse7 items
Prometheus7 items

Capabilities

Feature-by-feature on the axes that matter for time-series databases. “-” means undocumented, not absent.

Query
Query language (SQL / PromQL / InfluxQL-Flux / Graphite)
ClickHouseSQL
PrometheusPromQL
SQL compatibility
ClickHouseFull SQL
PrometheusNon-SQL
Ingest
Ingest model
ClickHouseBoth
PrometheusBoth
Model
Data model
ClickHouseBoth
PrometheusMetrics (labels/tags)
Lifecycle
Downsampling / rollups
ClickHouse-
Prometheus-
Retention / TTL
ClickHouse-
Prometheus-
Storage
Compression (columnar / delta / Gorilla)
ClickHousecolumnar
PrometheusXOR2 float chunk encoding
Performance
High-cardinality handling
ClickHouseStrong
PrometheusStrong
Scale
Clustering / horizontal scale
ClickHouseDistributed / sharded
PrometheusDistributed / sharded
Replication / HA
ClickHouse✓
Prometheus✓
Deployment
Deployment
ClickHouseSelf-hosted
PrometheusSelf-hosted
Interop
Prometheus remote-write compatible
ClickHouse-
Prometheus✓
Licensing
Licence class
ClickHousePermissive OSS
PrometheusPermissive OSS

What each one is

The product in its own terms, so the numbers below have context.

ClickHouse

A column-oriented database that processes analytical queries efficiently on large datasets using compression and vectorized execution. It supports fast aggregations and search over logs, metrics, and traces, with vector search capabilities for AI workloads.

Independently observed

Prometheus

A pull-based monitoring platform that periodically scrapes metrics from instrumented targets over HTTP and stores them in a time-series database. It provides PromQL for querying metrics and integrates with Alertmanager for rule-based alerting and incident notifications.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

ClickHouse

from $53/moUsage-basedFree tier30-day trial

From $53/month plus usage-based compute and storage. Free tier with $300 credits for 30 days.

  • Basic$53/mo + $0.22 per TB
    • Up to 1 TB storage
    • 1 availability zone
    • Export backups to own cloud account
    • Expert support with 1 business day response time
    • SSO with Google or Microsoft
    • +1 more
  • Scale$437/mo + $0.30 per TB
    • Unlimited storage
    • 2+ availability zones
    • 24x7 expert support with 1 hour response for Severity 1 issues
    • S3 role-based access
    • Automatic vertical scaling
    • +1 more
  • Enterprise$571/mo + $0.39 per TB
    • SAML SSO
    • Private regions
    • Enterprise support with 30 minute response time
    • Named Lead Support Engineer
    • Transparent data encryption and CMEK
    • +1 more
as of verify ↗

Prometheus

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
ClickHouse✓
Prometheus✓
macOS
ClickHouse✗
Prometheus✓
Windows
ClickHouse✗
Prometheus✓
Linux
ClickHouse✓
Prometheus✓
CLI
ClickHouse✓
Prometheus✓
Deployment
Cloud / SaaS
ClickHouse✓
Prometheus✗
Self-hosted
ClickHouse✓
Prometheus✓
On-premise
ClickHouse✗
Prometheus✓
Hybrid
ClickHouse✓
Prometheus✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (3)
  • Kafka
  • MySQL
  • Slack

ClickHouse

22 total - 19 not shared
  • Amazon S3
  • Airbyte
  • Vector
  • PostgreSQL
  • Microsoft Azure Data Factory
  • dbt
  • Calyptia
  • Dataddo
  • GrowthBook
  • OpenTelemetry
  • HyperDX
  • Langfuse
  • Cassandra
  • Google
  • Microsoft
  • AWS
  • Google Cloud
  • Azure
  • GitHub
Independently observed

Prometheus

65 total - 62 not shared
  • Amazon SNS
  • Discord
  • incident.io
  • Jira
  • Mattermost
  • Microsoft Teams
  • OpsGenie
  • PagerDuty
  • Pushover
  • Rocket.Chat
  • Telegram
  • VictorOps
  • Webex
  • WeChat
  • Webhook
  • Email
  • WeChat Work
  • Blackbox Exporter
  • Consul
  • Graphite
  • Memcached
  • Node Exporter
  • StatsD
  • Grafana Mimir
  • +38 more
Independently observed
Still deciding?

ClickHouse or Prometheus: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.