head to head · open source
Grafana Loki vs opensre
Grafana Loki has 29,120 GitHub stars, 4,173 forks, 1,620 open issues and last shipped yesterday. opensre has 12,696 stars, 1,864 forks, 67 open issues and last shipped yesterday. Grafana Loki leads on adoption by 129% (29,120 vs 12,696 stars). Grafana Loki is written in Go under AGPL-3.0; opensre is written in Python under Apache-2.0. Grafana Loki has attracted 14% as many forks as stars, opensre 15%. Grafana Loki was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (grafana), so they are genuine substitutes rather than adjacent tools.
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
| Grafana Loki | opensre | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 13K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 4.2K | ⑂ 1.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Grafana Loki if
- You weight community size — 29K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick opensre if
- You want the opensre 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 opensre fits your workflow better
About Grafana Loki
Loki: like Prometheus, but for logs. Loki is a horizontally scalable, highly available, multi tenant log aggregation system inspired by Prometheus. It is designed to be very cost effective and easy to operate. It does not index the contents of the logs, but rather a set of labels for each log stream. Compared to other log aggregation systems, Loki: does not do full text indexing on logs. By storing compressed, unstructured logs and only indexing metadata, Loki is simpler to operate and cheaper to run. indexes and groups log streams using the same labels you’re already using with Prometheus, enabling you to…
read the full Grafana Loki overview →
About opensre
OpenSRE v0.1: Build Your Own AI SRE Agents The open source framework for AI SRE agents, and the training and evaluation environment they need to improve. Connect the 60+ tools you already run, define your own workflows, and answer production questions on your own infrastructure. Quickstart · Docs · FAQ · Security 🚧 Public Alpha: Core workflows are usable for early exploration, though not yet fully stable. The project is in active development, and APIs and integrations may evolve Table of Contents Why OpenSRE? Install Quick Start Deployment How OpenSRE Works Capabilities & integrations Contributing & development…
read the full opensre overview →
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Frequently asked questions
Is Grafana Loki or opensre more popular?
Grafana Loki has 29,120 GitHub stars and opensre has 12,696. Grafana Loki has the larger community by that measure.
Are Grafana Loki and opensre free?
Both are open source. Grafana Loki is licensed under AGPL-3.0 and opensre under Apache-2.0. Neither carries a licence fee.
What is the difference between Grafana Loki and opensre?
Grafana Loki is written in Go and opensre 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, Grafana Loki or opensre?
Choose Grafana Loki if you want the larger community (29,120 stars) or its AGPL-3.0 licence terms. Choose opensre if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.