head to head · open source
Grafana Loki vs voltagent
Grafana Loki has 29,120 GitHub stars, 4,173 forks, 1,620 open issues and last shipped yesterday. voltagent has 10,917 stars, 1,186 forks, 86 open issues and last shipped 21 days ago. Grafana Loki leads on adoption by 167% (29,120 vs 10,917 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 | 2026-11-04 | 2026-10-15 |
| Forks | ⑂ 4.2K | ⑂ 1.2K |
| 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
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 voltagent
AI Agent Engineering Platform English 繁體中文 简体中文 日本語 한국어 Home Page Documentation Examples VoltAgent is an end to end AI Agent Engineering Platform that consists of two main parts: Open Source TypeScript Framework – Memory, RAG, Guardrails, Tools, MCP, Voice, Workflow, and more. VoltOps Console Cloud Self Hosted – Observability, Automation, Deployment, Evals, Guardrails, Prompts, and more. Build agents with full code control and ship them with production ready visibility and operations. Core TypeScript Framework With the open source framework, you can build intelligent agents with memory, tools, and multi step…
read the full voltagent overview →
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Frequently asked questions
Is Grafana Loki or voltagent more popular?
Grafana Loki has 29,120 GitHub stars and voltagent has 10,917. 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 (29,120 stars) or its AGPL-3.0 licence terms. Choose voltagent if its feature set, stack or MIT licence fits better. Both are self-hostable.