
AI Agent & LLM Observability Platform

Collaborative AI workspace for lawyers: streamline document review, drafting, and research.
LangSmith: AI Agent & LLM Observability Platform. Legora (formerly Leya): Collaborative AI workspace for lawyers: streamline document review, drafting, and research.. Both tools take different approaches to address similar needs.
LangSmith offers a freemium plan, while Legora (formerly Leya) is a paid tool.
The best choice between LangSmith and Legora (formerly Leya) 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.
LangSmith is primarily designed for individuals, while Legora (formerly Leya) is built for businesses and professionals.
LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts. Legora (formerly Leya) offers: Agentic Research Assistant, Microsoft Word Add-in, Tabular Review, Workflows.
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.