LangSmith
LLM ops and observability platform
4.4(49 reviews)freemium
free tierapi access
Platform for debugging, testing, evaluating, and monitoring LLM applications built with LangChain or any framework.
Pros
- Full LLM observability
- Evaluation framework
- Trace every LLM call
Cons
- Best with LangChain apps
- Complex setup for standalone use
Best For
Teams building LLM applications wanting full observability and evaluation tooling
Pricing
Free
Free
- Core features
- Email support
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