Radar vs telemetry.dev
Radar and telemetry.dev are both uptime & monitoring tools aimed at developers and small businesses. telemetry.dev costs less, from $25/mo versus $149/mo for Radar. Both have a free plan.
Open-source Kubernetes UI and MCP server for engineers and agents
OpenTelemetry-based tracing, cost tracking and evals for AI agents
| Pricing | Open source · $149 | Freemium · $25 |
| Starting price | $149/mo | $25/mo |
| Free plan | Yes | Yes |
| Free trial | 14 days | — |
| Built for | Developers, Small businesses, Enterprise | Developers, Small businesses |
| Platforms | web, macos, windows, linux | web |
| Country | IL · 2023 | — |
| Rating | — | — |
Choose Radar if
Platform and DevOps teams that want a free open-source Kubernetes UI and a safe way to give AI agents cluster context.
- Fully featured open-source build under Apache 2.0
- Single binary and desktop app for macOS, Windows and Linux, no account needed
- Read-only MCP endpoint lets agents inspect clusters safely
Look elsewhere if: Teams that need full-stack metrics, logs and APM in one hosted suite (Datadog, Dynatrace).
Choose telemetry.dev if
Small teams building AI agents who want affordable tracing, cost tracking, prompt management and evals in one OpenTelemetry-based tool.
- Standard OpenTelemetry avoids proprietary instrumentation lock-in
- Free plan needs no credit card
- Simple per-workspace pricing with unlimited seats on Team
Look elsewhere if: Organizations that need self-hosting, compliance paperwork or full-stack infrastructure monitoring (Datadog, Sentry).
Radar vs telemetry.dev pricing
Radar
- Radar OSS$0Apache 2.0, unlimited clusters, one cluster at a time
- Cloud Free$03 hosted clusters, unlimited users, 100 investigations/mo
- Team$149/cluster/moScoped RBAC, fleet cost rollup; 20% off annual contracts
- Enterprise$299/cluster/moSSO, SCIM, SIEM export, self-managed; 20% off annual contracts
- CustomCustomAnnual contract, air-gapped, data residency, 99.9% SLA
telemetry.dev
- Free$0/mo30,000 units/mo, 14-day retention, 1 project, 2 seats
- Pro$25/mo500,000 units/mo, 30-day retention, 5 projects, 5 seats
- Team$50/mo2M units/mo, 90-day retention, unlimited seats, priority support
Radar · Key features
- Issues queue that groups failures by root cause and blast radius
- Live topology graph and resource browser for any conformant cluster
- Event and change timeline with diffs beyond the one-hour default
- Helm release views with upgrades and rollbacks
- Argo CD and Flux drift detection, diagnosis and sync
- Cluster audit with 44 best-practice checks
Cons
- Per-cluster pricing gets expensive for large fleets
- Radar Cloud SSO and SCIM only on the $299 Enterprise plan
- Team plan keeps just 3 days of timeline history
telemetry.dev · Key features
- One trace per request or agent run with spans for every model and tool call
- Token, cost, latency and error tracking per span
- TypeScript and Python SDKs plus any OTLP/HTTP exporter
- MCP analytics with failures and p95 duration by method and tool
- Prompt versions, labels and rollouts without a deploy
- Evals on datasets with LLM judges, code checks and human review
Cons
- No self-hosted option
- No legal entity, address or compliance certifications published
- Free retention is only 14 days
Radar vs telemetry.dev: FAQ
Which is cheaper, Radar or telemetry.dev?
telemetry.dev starts at $25/mo and Radar at $149/mo. Both prices are checked on the vendors' own pricing pages.
Do Radar and telemetry.dev have a free plan?
Yes, both Radar and telemetry.dev have a free plan; paid plans add more usage and features.