Connect AI agents to 100+ tools and platforms

AI Agent & LLM Observability Platform
Composio: Connect AI agents to 100+ tools and platforms. LangSmith: AI Agent & LLM Observability Platform. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. Composio is freemium and LangSmith is freemium.
The best choice between Composio 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.
Both are primarily designed for individuals. The choice depends on which specific features you need.
Composio offers: 100+ pre-built tool integrations, Managed authentication (OAuth2, API Keys, JWT), Framework agnostic (works with LangChain, OpenAI, Claude), Observability and logs for tool execution. 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.