Migrate to Spanlens

Migration guides from Langfuse, Helicone, and LangSmith: code diffs, data model mapping, and dual-running so you switch without losing history.

Migrate from Langfuse to Spanlens

Move from Langfuse to Spanlens in under 30 minutes. Code diffs, data model mapping, and dual-running steps so you can switch without losing history.

Migrate from Helicone to Spanlens

Move from Helicone to Spanlens in under 15 minutes. Base URL swap, properties to user / session mapping, and what to do about the AI Gateway features.

Migrate from LangSmith to Spanlens

Move from LangSmith to Spanlens in under 45 minutes: traceable-to-observe() mapping, LangChain callback swap, and schema migration.

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