
API-first Agentic Document Intelligence for accurate, reliable, and governed extraction.

AI Agent & LLM Observability Platform
LandingAI: API-first Agentic Document Intelligence for accurate, reliable, and governed extraction.. LangSmith: AI Agent & LLM Observability Platform. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. LandingAI is freemium and LangSmith is freemium.
The best choice between LandingAI and LangSmith 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.
LandingAI is primarily designed for businesses and professionals, while LangSmith is built for individuals.
LandingAI offers: Agentic Document Extraction, API-first Document Intelligence, Accurate & Reliable Data Extraction, Structured & Auditable Outputs. LangSmith offers: Cost tracking, Online LLM-as-judge and code evals, Tool and agent trajectory monitoring, Webhook and Pagerduty alerts.
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.