head to head · open source
Grafana Loki vs opensre
Grafana Loki has 28,917 GitHub stars, 4,115 forks, 1,620 open issues and last shipped 2 days ago. opensre has 11,150 stars, 1,627 forks, 67 open issues and last shipped yesterday. Grafana Loki leads on adoption by 159% (28,917 vs 11,150 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%. opensre 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 | ★ 11K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-09-19 | 2026-09-20 |
| Forks | ⑂ 4.1K | ⑂ 1.6K |
| 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
Grafana Loki is a log aggregation system designed as the log oriented counterpart to Prometheus. It operates within the cloud native observability ecosystem, specifically targeting Kubernetes and containerized environments. Loki avoids expensive full text indexing by indexing only metadata labels attached to log streams, storing the raw log content in compressed form. This design choice makes Loki significantly simpler to operate and more cost effective than traditional log systems that index every word.
read the full Grafana Loki overview →
About opensre
OpenSRE is an open source Python framework for building AI SRE agents, distributed under the Apache 2.0 license. It lives in the infrastructure and operations ecosystem, specifically the monitoring and observability space, and it describes itself as the toolkit for AI era site reliability engineering. The project is currently at v0.1 and is published as a public alpha, meaning the core workflows are usable for early exploration but are not yet fully stable, and both APIs and integrations may evolve as development continues.
read the full opensre overview →
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Frequently asked questions
Is Grafana Loki or opensre more popular?
Grafana Loki has 28,917 GitHub stars and opensre has 11,150. 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 (28,917 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.