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It's a split decision.
These are not like-for-like products: Prometheus is open-source metrics monitoring, while Graphite is an AI code-review and pull-request workflow platform. Choose Prometheus for collecting and querying time-series metrics; its Open Source plan is free, with no seat or usage limits published. Choose Graphite for AI reviews, stacked pull requests and merge-queue workflows. Its Hobby plan is free but limited; paid plans start at $20 per user monthly when billed annually. Monthly prices are not published.
01Side by side
| Prometheus | Graphite | |
|---|---|---|
| Starting price | Paid plan: $0; Open Source | Paid plans: $20/user/month, billed annually |
| Free plan | Free; no seat or usage limits published | Hobby is free; AI features limited |
| Best for | Metrics monitoring for applications, systems, services | AI code review and pull-request workflows |
| Core strength | PromQL and dimensional time-series data | AI reviews, stacked PRs, merge queue |
| Learning curve | Not published | Not published |
| Integrations / data | Hundreds of integrations; collects and queries metrics | GitHub organization repos; Slack notifications |
| Team / seat costs | $0; seat limits not published | $20–$40/user/month annually; Enterprise price unpublished |
| Support | Review support score: 5 | Review score: 5; Enterprise includes premium support / SLAs |
Prometheus Choose Prometheus if
- Choose Prometheus if you need free metrics monitoring.
- Choose Prometheus if PromQL and time-series data fit your stack.
- Choose Prometheus if you want hundreds of system integrations.
Graphite Choose Graphite if
- Choose Graphite if you need AI-assisted pull-request reviews.
- Choose Graphite if your team uses stacked pull requests.
- Choose Graphite if you want a merge queue and PR inbox.
02Pricing compared
These products are not like-for-like, but their listed entry prices are very different. Prometheus’s Open Source plan is free under the Apache 2.0 license. Its pricing information lists no seat or usage limits, and no paid plans or billing options are listed. That makes it a low-cost starting point for metrics monitoring, though the source does not establish any hosting or operating costs.
Graphite has a free Hobby plan for personal projects, with limited AI Reviews and Graphite Chat. Its Starter plan is $20 per user per month with annual billing; Team is $40 per user per month with annual billing. The pricing page says annual billing is 20% off, but does not publish monthly prices. Enterprise pricing is also not published. Budget for Graphite by team size, and confirm monthly rates before switching.
03Features and depth
Prometheus is built around metrics. Its dimensional data model identifies time series by metric name and key-value pairs, while PromQL queries, correlates and transforms those series for visualizations and alerts. Alerting rules use PromQL, with Alertmanager handling notifications and silencing. Official and community-contributed instrumentation libraries cover most major programming languages, and hundreds of integrations extract metrics from existing systems. Prometheus servers use local storage and operate independently.
Graphite, as described in its product information, is an AI code-review and pull-request workflow platform—not a metrics tool. Its feature set includes AI reviews, Graphite Chat, stacked pull requests, a PR inbox and a merge queue. Chat can provide code-change context, help with CI failures and apply suggested fixes from a PR page. Stacked changes split larger pull requests into smaller sequenced changes; the merge queue lands changes in order. CI optimizations run stacking-integrated CI only when needed. Choose based on the job: observability or code review.
04Ease of use and learning curve
The available product information does not provide setup times or a direct usability comparison, so we would not call either product easier across the board. Prometheus offers statically linked binaries and independent servers, but teams still need to work with its metrics model, PromQL, alerting rules and local storage. The source does not list seat or usage limits for its free plan.
Graphite groups code review, stacked changes and merging into a pull-request workflow. Its free Hobby plan is aimed at personal projects and limits AI Reviews and Chat; team features are on paid plans. That may make it a more direct fit for teams already looking for those workflows, but it is not a substitute for Prometheus. Check whether the tool matches your existing work before comparing setup effort.
Questions people ask
What is Prometheus used for?
Prometheus collects, stores and queries metrics for monitoring, alerts, dashboards and other uses. Its dimensional data model and PromQL support queries and alerting, while Alertmanager handles notifications and silencing. It is designed to discover and monitor services in cloud-native environments.
Is Grafana like PowerBI?
The published product information does not compare Grafana with PowerBI, so it cannot support a reliable answer about how alike they are. It describes Prometheus as metrics collection, storage and querying software, and Graphite as an AI code-review platform; neither description covers Grafana or PowerBI.
Is Prometheus the same as Grafana?
The published information does not describe Grafana, so it cannot establish a detailed comparison. It describes Prometheus as software for collecting, storing and querying metrics, with PromQL and alerting features. Check Grafana’s own product information before treating the two as interchangeable.
What is the difference between Zabbix and Prometheus?
The published product information covers Prometheus but not Zabbix, so it does not support a feature-by-feature comparison. It describes Prometheus as an open-source metrics monitoring system with PromQL, alerting rules and independent servers using local storage. Check Zabbix’s current documentation to compare capabilities and pricing.