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.

7 of 7 tools

Agenta

MIT

Open-source LLMOps platform providing prompt management, evaluation, and observability tools for building robust AI applications with team collaboration.

LangSmithHumanloop
4.2K 547 Last commit 1 day ago
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Arize Phoenix

Unknown

Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.

LangSmithLangChainHumanloop
10K 921 Last commit 14 hours ago
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Langfuse

Unknown

Langfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications.

LangSmithLangChainHumanloop
29K 3.0K Last commit 19 hours ago
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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.

LangSmithHumanloopWeightsBiases
4.1K 329 Last commit 11 hours ago
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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.

LangSmithHumanloopWeightsBiases
2.5K 298 Last commit 2 days ago
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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.

DataDogLangSmithSplunk
7.2K 992 Last commit 2 days ago
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Helicone

Apache-2.0

Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.

DataDogLangSmithLangChain
5.8K 600 Last commit 3 days ago
CodexClassroom