Quick Keypoints
- Provides visual tracing for complex chain-of-thought LLM applications.
- Monitors prompt performance, latency issues, and token cost details.
- Facilitates running evaluation sets to check model response qualities.
- Integrates directly with LangChain framework setups.
What is LangSmith?
Enterprise LLM debugging and tracing developer suite.
LangSmith is a developer platform designed to trace, debug, test, and evaluate language model applications.
Who Needs LangSmith?
AI software engineers, backend developers, and LLM application designers.
Primary Use Cases
- Autocompleting code syntax and logic blocks in real-time.
- Explaining complex functions and debugging codebase errors.
- Generating boilerplate code and unit test suites automatically.
Important Features
- Logical Tracing: Inspect the steps and API parameters of complex agent structures.
- Benchmark Evaluator: Execute test runs to score model output drift over code iterations.
- Cost Monitoring: Analyze token volume draws and optimize provider budgets.
Current Updates About LangSmith
LangSmith Released automated playground modules to test model prompts side-by-side
Alternatives to LangSmith
If you want to check similar software, these alternative tools offer comparative features:
Editorial Rating
4.8 / 5.0
Pricing Plans
| Plan | Price |
|---|---|
| Free5,000 monthly traces, standard logging dashboard, 1 user seat | $0 |
| GrowthAdds 100,000 traces, custom evaluation metrics, SSO/SAML | $150/mo |
| EnterpriseUnlimited traces, dedicated server hosting, custom SLAs | Custom |