
Connect any AI models together in one workspace

AI Agent & LLM Observability Platform
AI Flow: Connect any AI models together in one workspace. LangSmith: AI Agent & LLM Observability Platform. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. AI Flow is freemium and LangSmith is freemium.
The best choice between AI Flow 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.
AI Flow is primarily designed for individuals, while LangSmith is built for individuals.
AI Flow offers: Node-based workflow editor, Support for multiple AI providers (OpenAI, Hugging Face, etc.), Unlimited canvas for complex chains, Real-time preview of AI 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.