head to head · open source
Prometheus vs code-graph-rag
Prometheus has 66,106 GitHub stars, 10,840 forks, 890 open issues and last shipped yesterday. code-graph-rag has 5,148 stars, 676 forks, 119 open issues and last shipped 2 days ago. Prometheus leads on adoption by 1,184% (66,106 vs 5,148 stars). Prometheus is written in Go under Apache-2.0; code-graph-rag is written in Python under MIT. Prometheus has attracted 16% as many forks as stars, code-graph-rag 13%. 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 | code-graph-rag | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 5.1K |
| License | Apache-2.0 | MIT |
| Written in | Go | Python |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 11K | ⑂ 676 |
| 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 code-graph-rag if
- You want the code-graph-rag feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and code-graph-rag 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 code-graph-rag
Code Graph RAG is a Python developer tool for multi language codebase analysis and retrieval augmented generation. It parses repositories with Tree sitter, extracts functions, classes, methods, modules, and relationships, and stores them in a Memgraph knowledge graph under one language agnostic schema. It lives in the Python AI developer tools ecosystem.
read the full code-graph-rag overview →
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Frequently asked questions
Is Prometheus or code-graph-rag more popular?
Prometheus has 66,106 GitHub stars and code-graph-rag has 5,148. Prometheus has the larger community by that measure.
Are Prometheus and code-graph-rag free?
Both are open source. Prometheus is licensed under Apache-2.0 and code-graph-rag under MIT. Neither carries a licence fee.
What is the difference between Prometheus and code-graph-rag?
Prometheus is written in Go and code-graph-rag 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 code-graph-rag?
Choose Prometheus if you want the larger community (66,106 stars) or its Apache-2.0 licence terms. Choose code-graph-rag if its feature set, stack or MIT licence fits better. Both are self-hostable.