Alternatives
Open Source Alternatives to LangSmith
LangSmith alternatives listed by the directory.
Open Source Alternatives to LangSmith
Use the same directory search, ordering, and pagination controls inside this collection.
10 of 10 tools
Agenta
MIT
Open-source LLMOps platform providing prompt management, evaluation, and observability tools for building robust AI applications with team collaboration.
Agno
Apache-2.0
Open-source platform that enables developers to create, deploy and monitor AI agents with built-in memory, knowledge integration, and external tool connectivity.
Arize Phoenix
Unknown
Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.
Laminar
Apache-2.0
Laminar is an open-source platform that helps collect, understand, and utilize data for building high-quality LLM applications.
Langfuse
Unknown
Langfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications.
Latitude
MIT
Traces AI agents in production, automatically clusters failures into issues, generates evals from real failures, and alerts you when something breaks or regresses.
Mem0
Apache-2.0
Adds persistent, searchable memory to AI agents and apps, so they remember user preferences and past interactions across sessions without pipeline changes.
OpenLIT
Apache-2.0
Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.
OpenLLMetry
Apache-2.0
Open-source observability platform for LLMs using OpenTelemetry. Monitor performance, track costs, and debug AI applications with just 2 lines of code.
Helicone
Apache-2.0
Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.