SmithDB Early Access Waitlist

SmithDB is coming to self-hosted LangSmith deployments.
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SmithDB is LangSmith's purpose-built distributed database for agent observability. Modern agent traces have hundreds of nested spans, multi-modal content, and spans open for hours — more than general-purpose databases were built to handle. SmithDB now backs core LangSmith workloads.
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SmithDB gives you:

  • Speed at scale: P50 of 92ms for trace tree loads, 82ms for run filtering, 400ms for full-text search — up to 12x faster.
  • Agent-native queries: Tree-aware filtering, thread reconstruction, and JSON filtering over deeply nested traces.
  • Portability: Object storage-backed, stateless services — scales with compute, runs self-hosted or multi-cloud.
  • Smart data handling: Time-tiered compaction and late materialization keep ingestion fast without slowing queries.
  • Proven in production: Already serving 100% of US Cloud ingestion and query traffic, including threads and search.

Now in Beta. Join the waitlist for access.

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