Trace every model call, tool step, and retrieval with tokens, cost, latency, and errors in one place. OpenTelemetry-native. First trace in five minutes.
telemetry.dev — Observability for AI and LLM apps Toggle navigation Pricing Docs Log in Stop guessing what your AI is doing Every model call, tool step, and retrieval in one trace — tokens, cost, latency, and errors attached. Built on OpenTelemetry: any framework, any language, no lock-in. First trace in five minutes. Start tracing free Copy agent prompt Free plan: 10,000 ingestion units a month — one per span, log record, or metric data point. No credit card required. When something breaks, you'll know why One slow request or a month of spend: the traces and metrics to answer it, fast. V
Trace every model call, tool step, and retrieval with tokens, cost, latency, and errors in one place. OpenTelemetry-native. First trace in five minutes.
telemetry.dev — Observability for AI and LLM apps Toggle navigation Pricing Docs Log in Stop guessing what your AI is doing Every model call, tool step, and retrieval in one trace — tokens, cost, latency, and errors attached. Built on OpenTelemetry: any framework, any language, no lock-in. First trace in five minutes. Start tracing free Copy agent prompt Free plan: 10,000 ingestion units a month — one per span, log record, or metric data point. No credit card required. When something breaks, you'll know why One slow request or a month of spend: the traces and metrics to answer it, fast. V
