LangChain courses can help you learn how to build applications that connect large language models with external data, tools, and workflows. You can build skills in prompt chaining, retrieval methods, agent design, and structuring multi-step tasks. Many courses introduce tools such as Python libraries, vector databases, and APIs that support creating, testing, and refining LangChain-powered AI applications.

Simplilearn
Skills you'll gain: LangChain, LLM Application, Retrieval-Augmented Generation, Embeddings, Large Language Modeling, AI Workflows, Context Management, Generative AI Agents, Vector Databases, Memory Management
★ 4.1 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, Agentic systems, LLM Application, Generative Model Architectures, Large Language Modeling, Generative AI, LangChain, Retrieval-Augmented Generation, Prompt Engineering, Artificial Intelligence and Machine Learning (AI/ML), Model Deployment, Data Architecture, AI Security, Fine-tuning, Data Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, LangChain, LangGraph, AI Orchestration, LLM Application, Artificial Intelligence and Machine Learning (AI/ML), Generative AI Agents, OpenAI, Tool Calling, Agentic systems, Model Context Protocol, Python Programming
Advanced · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, LLM Application, Memory Management, AI Workflows, Vector Databases, Scalability, User Interface (UI), Embeddings, Data Store, Retrieval-Augmented Generation, Databases, Maintainability, Data Storage, Data Preprocessing
★ 4.7 (55) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Prompt Engineering, Generative AI, Application Development, Web Applications, Web Design and Development, Python Programming, Web Development
★ 3.4 (11) · Intermediate · Guided Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: LangChain, AI Workflows, LLM Application, Generative AI, Hugging Face, Embeddings, AI Security, AI Integrations
★ 2.8 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Embeddings, Generative AI Agents, Document Management, Query Languages
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Generative AI Agents, Generative AI, LangChain, Retrieval-Augmented Generation, Agentic systems, Prompt Engineering, LLM Application, Large Language Modeling, Generative Model Architectures, Gemini, Prompt Patterns, Google Gemini, OpenAI API, LangGraph, Embeddings, Tool Calling, AI Orchestration, Agentic Workflows, AI Workflows, Vector Databases
Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangChain, Prompt Engineering, LLM Application, Generative AI Agents, AI Orchestration, Tool Calling, AI Integrations, Artificial Intelligence, Flask (Web Framework), Python Programming, Data Persistence, Agentic systems, Context Management, PostgreSQL, Web Applications, Machine Learning, Automation, Databases
Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangChain, LLM Application, LangGraph, Vector Databases, Embeddings, AI Workflows, OpenAI API, Token Optimization, Retrieval-Augmented Generation, AI Orchestration, AI Integrations, Applied Machine Learning, Cloud-Based Integration, Data Processing, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Prompt Patterns, Prompt Engineering, LLM Application, Tool Calling, Retrieval-Augmented Generation, Generative AI, Large Language Modeling, AI Workflows, Hugging Face, Embeddings, MLOps (Machine Learning Operations), LangGraph, Vector Databases, AI Security, Responsible AI, Artificial Intelligence, Application Programming Interface (API), Model Evaluation, Docker (Software)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: AI Orchestration, AI Workflows, LangGraph, Agentic Workflows, LangChain, LLM Application, Tool Calling, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Retrieval-Augmented Generation, Prompt Engineering, AI Integrations, Application Development, Data Visualization, Responsible AI, Large Language Modeling, Software Design Patterns, Software Development
★ 4.6 (319) · Intermediate · Specialization · 1 - 3 Months