head to head · open source
Prometheus vs asyncpg
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. asyncpg has 8,118 stars, 484 forks, 308 open issues and last shipped 26 days ago. Prometheus leads on adoption by 724% (66,906 vs 8,118 stars). Prometheus is written in Go under Apache-2.0; asyncpg is written in Python under Apache-2.0. Prometheus has attracted 16% as many forks as stars, asyncpg 6%. Prometheus 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 | asyncpg | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 8.1K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-11-02 | 2026-10-08 |
| Forks | ⑂ 11K | ⑂ 484 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Prometheus if
- You weight community size — 67K 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 asyncpg if
- You want the asyncpg feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and asyncpg fits your workflow better
About Prometheus
Prometheus Visit prometheus.io for the full documentation, examples and guides. [ ][quay] [ ][hub] Prometheus, a Cloud Native Computing Foundation project, is a systems and service monitoring system. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts when specified conditions are observed. The features that distinguish Prometheus from other metrics and monitoring systems are: A multi dimensional data model (time series defined by metric name and set of key/value dimensions) PromQL, a powerful and flexible query language to…
read the full Prometheus overview →
About asyncpg
asyncpg A fast PostgreSQL Database Client Library for Python/asyncio ======================================================================= .. image:: :target: :alt: GitHub Actions status .. image:: :target: asyncpg is a database interface library designed specifically for PostgreSQL and Python/asyncio. asyncpg is an efficient, clean implementation of PostgreSQL server binary protocol for use with Python's asyncio framework. You can read more about asyncpg in an introductory blog post . asyncpg requires Python 3.9 or later and is supported for PostgreSQL versions 9.5 to 18. Other PostgreSQL versions or other…
read the full asyncpg overview →
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Frequently asked questions
Is Prometheus or asyncpg more popular?
Prometheus has 66,906 GitHub stars and asyncpg has 8,118. Prometheus has the larger community by that measure.
Are Prometheus and asyncpg free?
Both are open source. Prometheus is licensed under Apache-2.0 and asyncpg under Apache-2.0. Neither carries a licence fee.
What is the difference between Prometheus and asyncpg?
Prometheus is written in Go and asyncpg in Python. 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 asyncpg?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose asyncpg if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.