alternative · langsmith
Open Source LangSmith Alternatives
Open source LangSmith alternatives that trace, evaluate, and debug LLM applications on your own infrastructure — capturing prompts, traces, and evaluations without LangSmith's per-seat pricing or sending production data to a hosted-only service.
Tools that replace LangSmith
2 tools// open source tools you can use instead
llm-observability
Arize Phoenix_
Self-hosted LLM tracing and evals — a LangSmith alternative.
10.1k
stars
186
contributors
today
last commit
915
forks
Python
language
3 yrs
age
llm-observability
Langfuse_
Open source LLM observability — a LangSmith alternative.
28.9k
stars
170
contributors
today
last commit
3k
forks
TypeScript
language
3 yrs
age