STATIC COMPARISON / TIER B
Grafana k6 vs NeoLoad
Answer Grafana k6 is an open source, self-hosted load testing tool from Grafana Labs, scripted in JavaScript, TypeScript. NeoLoad is a commercial, self-hosted or vendor-hosted enterprise performance suite from Neotys / Tricentis, scripted in JavaScript, Groovy. The practical split is the cost model: Grafana k6 is open source, NeoLoad is commercial.
Curator verdict
Both cover HTTP, HTTPS, WebSocket. On recorded coverage NeoLoad is the wider of the two (5 protocols against 4), which matters only if your workload actually uses the extra ones. Budget and procurement usually settle Grafana k6 against NeoLoad before any benchmark does. Run the same scenario on both before you standardize; the rows below only tell you what is true on paper.
Spec matrix
| Field | Grafana k6 | NeoLoad |
|---|---|---|
| Vendor | Grafana Labs | Neotys / Tricentis |
| Category | Load Testing | Enterprise Suite |
| License | Open Source | Commercial |
| Deployment | Self-hosted | Hybrid |
| Status | Active | Active |
| First released | 2017 | 2005 |
| Pricing | Free; AGPL-3.0 license. | Commercial subscription or license; request a quote. |
| Scripting | JavaScript, TypeScript | JavaScript, Groovy |
| Protocols | HTTP, HTTPS, WebSocket, gRPC | HTTP, HTTPS, WebSocket, JDBC, SAP |
| OS support | Windows, macOS, Linux | Windows, Linux |
How to choose
- Choose Grafana k6 if you need a free, self-supported stack (Free; AGPL-3.0 license).
- Choose NeoLoad if you can fund a commercial license for vendor support (Commercial subscription or license; request a quote).
- NeoLoad can be run either self-hosted or on vendor infrastructure; Grafana k6 only runs self-hosted.
- Only Grafana k6 records support for gRPC — one hard requirement there decides the pair on its own.
- Only NeoLoad records support for JDBC, SAP — one hard requirement there decides the pair on its own.
- Match the authoring language to the team: Grafana k6 means JavaScript, TypeScript, NeoLoad means JavaScript, Groovy.
- Open the Test Rig to compare license, deployment, protocol and OS rows side by side.
Need more than two tools or a shareable matrix? Use the live Test Rig from the directory compare tray.
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