head to head · open source
Prometheus vs predis
Prometheus has 66,109 GitHub stars, 10,839 forks, 890 open issues and last shipped yesterday. predis has 7,779 stars, 997 forks, 25 open issues and last shipped yesterday. Prometheus leads on adoption by 750% (66,109 vs 7,779 stars). Prometheus is written in Go under Apache-2.0; predis is written in PHP under MIT. Prometheus has attracted 16% as many forks as stars, predis 13%. predis was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Prometheus | predis | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 7.8K |
| License | Apache-2.0 | MIT |
| Written in | Go | PHP |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 11K | ⑂ 997 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Prometheus if
- You weight community size — 66K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick predis if
- You want the predis feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PHP
- You evaluated both and predis fits your workflow better
About Prometheus
Prometheus is an open source monitoring system and time series database, part of the Cloud Native Computing Foundation ecosystem. It collects metrics from configured targets at defined intervals, evaluates alerting rules, and visualizes results. Designed for reliability in dynamic environments, it operates without reliance on distributed storage, ensuring each server node functions independently.
read the full Prometheus overview →
About predis
Predis is a flexible, feature complete Redis and Valkey client for PHP 7.2 and newer, distributed as the Composer package predis/predis under the MIT licence.
read the full predis overview →
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Frequently asked questions
Is Prometheus or predis more popular?
Prometheus has 66,109 GitHub stars and predis has 7,779. Prometheus has the larger community by that measure.
Are Prometheus and predis free?
Both are open source. Prometheus is licensed under Apache-2.0 and predis under MIT. Neither carries a licence fee.
What is the difference between Prometheus and predis?
Prometheus is written in Go and predis in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Prometheus or predis?
Choose Prometheus if you want the larger community (66,109 stars) or its Apache-2.0 licence terms. Choose predis if its feature set, stack or MIT licence fits better. Both are self-hostable.