LangSmith
by LangChain Inc. · freemium · Last verified 2026-03-17
Developer platform for debugging, testing, evaluating, and monitoring LLM applications built by LangChain. Provides detailed tracing of chain executions, dataset management, and automated evaluation pipelines.
https://smith.langchain.com ↗B
B—Above Average
Adoption: B+Quality: AFreshness: A+Citations: B+Engagement: F
Specifications
- License
- Proprietary
- Pricing
- freemium
- Capabilities
- tracing, evaluation, dataset-management, prompt-playground, monitoring
- Integrations
- langchain, langgraph, openai, anthropic
- Use Cases
- llm-debugging, evaluation-pipelines, prompt-testing, production-monitoring
- API Available
- Yes
- SDK Languages
- python, typescript
- Deployment
- cloud, self-hosted
- Rate Limits
- Free tier: 5K traces/month; paid plans scale
- Data Privacy
- SOC 2 Type II compliant; self-hosted option available
- Tags
- observability, tracing, evaluation, langchain, debugging
- Added
- 2026-03-17
- Completeness
- 100%
Index Score
66.4Adoption
78
Quality
86
Freshness
90
Citations
72
Engagement
0