9 self-hosted LangSmith alternatives

Open-source observability and analytics for LLM apps

Replaces LangSmith

Test, evaluate, and red-team LLM applications

Replaces LangSmith

Unit testing framework for LLM outputs

Replaces LangSmith, Braintrust

Evaluation framework for retrieval-augmented generation

Replaces LangSmith

Build and evaluate LLM application flows

Replaces LangSmith, Vertex AI

Open-source AI observability and evaluation platform

Replaces LangSmith, Helicone

Open-source observability for LLM applications

Replaces LangSmith, Datadog LLM Observability

Open-source LLMOps platform for prompt and app management

Replaces LangSmith

Toolkit for tracking and evaluating LLM applications

Replaces LangSmith