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ThousandEyes uses Enterprise and Endpoint agents to trace user-to-application network paths and SaaS experience across locations. Developers replacing it can choose a network-focused platform, a general observability service or open-source monitoring they operate themselves. Reddit users cite high cost and deployment effort; one reports a 100-license minimum order for Endpoint agents. Before switching, map required agent coverage, path and BGP visibility, API access, data export and how each tool handles traffic through VPN or proxy setups.
01Why people leave ThousandEyes
High cost at scale
Reddit users describe ThousandEyes as expensive; one reports a 100-license minimum order for Endpoint agents.
Deployment takes effort
Users say setup can require substantial work, especially when deploying agents across sites or cloud environments.
Coverage can hit gaps
Users want more public testing targets; another reports TCP visibility problems when Endpoint tests run through a Zscaler tunnel.
02The alternatives, ranked by fit
- Network operations
KentikKentikKentik is the most network-focused option in this list, aimed at network operations, multi-cloud infrastructure and traffic investigations. Its pricing starts at $2,000, with a free plan listed; annual pricing and integration details need review. Ask about path tracing, BGP visibility, API access and importing existing ThousandEyes workflows before treating it as a direct replacement.
Trade-off: Pricing and integration requirements need verification before rollout.
6.8/10from
$2,000/mofree plan - Self-hosted metrics
PrometheusPrometheusPrometheus is open source and self-hostable, with no usage fees for the software. It suits teams that want local metric storage and PromQL rather than a vendor-operated monitoring service. You will run and maintain the servers, and should confirm whether its metric model and integrations cover the network-path and global-agent views your ThousandEyes setup depends on.
Trade-off: You operate the servers and assemble the monitoring stack.
7.8/10from
Freefree plan - Open observability stack
GrafanaGrafanaGrafana is an open-source observability platform for teams using OpenTelemetry or Prometheus and consolidating telemetry signals. The listed starting price is $19, with a free plan; bills can grow with telemetry use. It may fit teams building dashboards around existing collectors, but verify API and SDK needs, network test coverage and how data exports during migration.
Trade-off: Telemetry costs can grow, and path testing needs verification.
7.6/10from
$19/mofree plan - Self-hosted infrastructure
ZabbixZabbixZabbix is open source and self-hostable, with a free plan and no per-device license fees. It suits teams prioritizing control over infrastructure monitoring costs and avoiding a hosted platform dependency. The tradeoff is setup and tuning work; check whether its monitoring model, integrations and API support the external agent coverage and path diagnostics you use in ThousandEyes.
Trade-off: Self-hosting shifts setup, tuning and operations to your team.
7.8/10from
Freefree plan - Broad observability
DatadogDatadogDatadog fits teams consolidating observability and security or operating Kubernetes and cloud infrastructure. Pricing starts at $500, so compare the bill at your actual telemetry volume rather than assuming it will undercut ThousandEyes. Review its API and SDK documentation, integration requirements and data export options, then confirm it can cover your external network-path use cases.
Trade-off: Usage costs and telemetry hygiene need close management.
6.2/10from
$500/mo - Lower-cost entry
New RelicNew RelicNew Relic is a hosted observability platform for teams consolidating tools and incident response. Pricing starts at $10, with a free plan; the listed free ingest allowance makes usage limits important to check before rollout. Compare API and SDK fit, ingest costs at production volume and network monitoring coverage before replacing ThousandEyes agents.
Trade-off: Ingest and user costs can rise as usage scales.
7.2/10from
$10/mofree plan - Cloud observability
DynatraceDynatraceDynatrace is a broad observability and automation platform covering tracing and user monitoring, with pricing starting at $7. It may suit teams consolidating application and infrastructure monitoring rather than retaining a network-only tool. Verify integration details, API and SDK support, production costs and whether its user monitoring can reproduce the agent coverage and path diagnostics you rely on.
Trade-off: Costs and integrations need review before production.
7.1/10from
$7/mo
03Side by side
| Tool | Score | From | Free plan | Best for |
|---|---|---|---|---|
 ThousandEyes ThousandEyes (current) | 6.4 | Custom | No | Tracing user-to-application network paths |
| Kentik Kentik | 6.8 | $2,000/mo | Yes | Network operations teams |
| Prometheus Prometheus | 7.8 | Free | Yes | Teams monitoring systems and services |
| Grafana Grafana | 7.6 | $19/mo | Yes | Teams consolidating telemetry signals |
| Zabbix Zabbix | 7.8 | Free | Yes | Teams with self-hosting capacity |
| Datadog Datadog | 6.2 | $500/mo | No | Teams consolidating observability and security |
| New Relic New Relic | 7.2 | $10/mo | Yes | Teams consolidating observability tools |
| Dynatrace Dynatrace | 7.1 | $7/mo | No | Teams consolidating observability tools |
Questions people ask
Which ThousandEyes alternative is closest for network monitoring?
Kentik is the network-focused option here, targeting network operations, multi-cloud infrastructure and traffic investigations. Prometheus and Zabbix offer self-hosted monitoring, but neither is established here as a like-for-like replacement for ThousandEyes path tracing. Ask vendors specifically about global agents, BGP visibility and testing through your VPN or proxy setup.
What are the cheapest ThousandEyes alternatives?
Prometheus and Zabbix are open source and have free plans; Prometheus has no software usage fees, while Zabbix avoids per-device license fees. Those prices do not remove the cost of running and maintaining infrastructure. Grafana, New Relic and other hosted options list free plans, but check usage limits and production costs.
Can I migrate ThousandEyes tests and data directly?
Do not assume a direct import. Inventory your tests, agent locations, metrics, dashboards and retention needs, then ask each vendor whether it can import ThousandEyes configurations or historical data. Check API access, export formats and rate limits in the vendor documentation before planning a migration.