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Both are open-source LLM observability tools. Langtrace is built on OpenTelemetry standards for better interoperability with existing observability stacks. Langfuse has a larger community and more integrations.
Yes. Langtrace uses OpenTelemetry, so traces can be exported to Jaeger, Grafana Tempo, Datadog, and other OTLP-compatible backends alongside agent-specific analysis.
By default yes, for debugging purposes. You can configure the SDK to redact or exclude sensitive content from traces.
Langtrace adds minimal overhead through async trace collection. The SDK is designed to not impact agent response latency.
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Last verified March 2026