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.

Board Infinity
Skills you'll gain: Retrieval-Augmented Generation, AI Workflows, Agentic Workflows, Vector Databases, LangChain, Generative AI Agents, Embeddings, Large Language Modeling, Agentic systems, Semantic Web, Performance Tuning, Debugging, Memory Management
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Prompt Engineering, Responsible AI, Generative AI Agents, Retrieval-Augmented Generation, Generative AI, Fine-tuning, LangChain, AI Workflows, Model Training, Model Optimization, Large Language Modeling, Prompt Engineering Tools, AI literacy, Amazon Web Services, Context Management, AI Integrations, Model Evaluation, Application Programming Interface (API), Data Processing
★ 4.6 (113) · Intermediate · Professional Certificate · 1 - 3 Months

Skills you'll gain: LangChain, LLM Application, Application Development, Artificial Intelligence, Natural Language Processing
★ 3.4 (38) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Deployment, LLM Application, LangChain, Large Language Modeling, Microservices, Test Driven Development (TDD), Software Architecture, Scalability, MLOps (Machine Learning Operations), Cloud Deployment, Cloud Computing Architecture, API Design, Site Reliability Engineering, Kubernetes, Prompt Engineering, Containerization, Infrastructure as Code (IaC), Python Programming, Performance Analysis
Intermediate · Specialization · 1 - 3 Months

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: Model Context Protocol, Responsible AI, LangGraph, AI Integrations, AI Workflows, AI Orchestration, Agentic Workflows, LangChain, CrewAI, OpenAI API, Agentic systems, Generative AI Agents, LLM Application, Tool Calling, OpenAI, Governance, Compliance Management, AI Security, Governance Risk Management and Compliance, Artificial Intelligence
★ 2.4 (36) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: LangChain, Prompt Engineering, Front-End Web Development
Intermediate · Course · 1 - 4 Weeks

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, 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

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

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

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, AI Orchestration, SQL, Generative AI Agents, OpenAI API, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing, Data Access
★ 4.4 (56) · Beginner · Project · Less Than 2 Hours