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Langfuse

Langfuse connects AI SDK v7 telemetry to OpenTelemetry. It records AI application traces and related model observations in Langfuse.

Last updated

Syntax

registerTelemetry(new LangfuseVercelAiSdkIntegration());
const sdk = new NodeSDK({ spanProcessors: [new LangfuseSpanProcessor()] });
sdk.start();

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

Subscribe
  • AI SDK telemetry documentation
  • Langfuse Vercel AI SDK integration guide
  • LangfuseSpanProcessor
  • LangfuseVercelAiSdkIntegration
  • propagateAttributes
  • startActiveObservation
  • runtimeContext

Source: Langfuse | AI SDK Observability Integrations. Checked 2026-11-03.