head to head · open source
Grafana Loki vs voltagent
Grafana Loki has 28,917 GitHub stars, 4,115 forks, 1,620 open issues and last shipped yesterday. voltagent has 10,647 stars, 1,135 forks, 86 open issues and last shipped 24 days ago. Grafana Loki leads on adoption by 172% (28,917 vs 10,647 stars). Grafana Loki is written in Go under AGPL-3.0; voltagent is written in TypeScript under MIT. Grafana Loki has attracted 14% as many forks as stars, voltagent 11%. Grafana Loki 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
| Grafana Loki | voltagent | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 11K |
| License | AGPL-3.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-09-19 | 2026-08-27 |
| Forks | ⑂ 4.1K | ⑂ 1.1K |
| 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 voltagent if
- You want the voltagent feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and voltagent 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 voltagent
VoltAgent is an end to end AI Agent Engineering Platform built around an open source TypeScript framework. It lives in the JavaScript and TypeScript ecosystem, distributed through npm packages such as @voltagent/core and @voltagent/mcp docs server , and it is released under the MIT license. The project is roughly one year old, carries 10,619 stars and 1,126 forks on GitHub, and its most recent push landed on 27 August 2026. The platform has two halves: the open source framework, which supplies memory, RAG, guardrails, tools, MCP, voice, and workflow primitives, and the VoltOps Console, which is offered as either …
read the full voltagent overview →
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Frequently asked questions
Is Grafana Loki or voltagent more popular?
Grafana Loki has 28,917 GitHub stars and voltagent has 10,647. Grafana Loki has the larger community by that measure.
Are Grafana Loki and voltagent free?
Both are open source. Grafana Loki is licensed under AGPL-3.0 and voltagent under MIT. Neither carries a licence fee.
What is the difference between Grafana Loki and voltagent?
Grafana Loki is written in Go and voltagent in TypeScript. 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 voltagent?
Choose Grafana Loki if you want the larger community (28,917 stars) or its AGPL-3.0 licence terms. Choose voltagent if its feature set, stack or MIT licence fits better. Both are self-hostable.