
AI Agent & LLM Observability Platform
Unlock insights from US education data with AI
LangSmith: AI Agent & LLM Observability Platform. Zelma: Unlock insights from US education data with AI. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LangSmith is freemium and Zelma is free.
The best choice between LangSmith and Zelma depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
Both are primarily designed for individuals. The choice depends on which specific features you need.
LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts. Zelma offers: Natural language data querying, Visualization of state and national assessment trends, Longitudinal student performance tracking, Demographic equity gap analysis.
Based on our data, LangSmith currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.