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.

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

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

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, LangChain, Query Languages, Data Storage, Unstructured Data
★ 4.8 (108) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: LangChain, Retrieval-Augmented Generation, LLM Application, Embeddings, Prompt Engineering, Vector Databases, Context Engineering, Python Programming, Artificial Intelligence, Data Processing, Context Management, Program Development, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LangGraph, LLM Application, Prompt Engineering, Retrieval-Augmented Generation, AI Workflows, OpenAI API, Agentic systems, AI Integrations, Artificial Intelligence, Debugging, Model Optimization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, LangChain, Embeddings, LLM Application, Vector Databases, Context Management, Memory Management, Artificial Intelligence and Machine Learning (AI/ML), Data Processing
Intermediate · Course · 1 - 4 Weeks

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

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

Board Infinity
Skills you'll gain: Deepseek, DeepSeek API, LangChain, Responsible AI, Generative AI, Generative Adversarial Networks (GANs), GitHub Copilot, LLM Application, Artificial Neural Networks, Generative AI Agents, Generative Model Architectures, AI literacy, Retrieval-Augmented Generation, Artificial Intelligence and Machine Learning (AI/ML), Fine-tuning, Embeddings, Artificial Intelligence, Gemini, Model Evaluation, Debugging
★ 4.6 (107) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Large Language Modeling, LangChain, Plot (Graphics), Data Visualization, LLM Application, Statistical Visualization, AI Workflows, Data Literacy, AI literacy, Data Analysis, Data-Driven Decision-Making, Exploratory Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Prompt Engineering, Multimodal Prompts, Prompt Patterns, Prompt Engineering Tools, LLM Application, Fine-tuning, Model Evaluation, Context Engineering, LangChain, Large Language Modeling, Hugging Face, Transfer Learning, Model Optimization, Responsible AI, Performance Tuning, Generative AI, LangGraph, Context Management, Vector Databases
★ 3.7 (9) · Intermediate · Specialization · 3 - 6 Months