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.

Skills you'll gain: LangChain, Prompt Engineering, Retrieval-Augmented Generation, LangGraph, AI Orchestration, LLM Application, Generative AI Agents, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Agentic Workflows, AI Security, OpenAI, Tool Calling, OpenAI API, AI Workflows, Large Language Modeling, Application Deployment, Agentic systems, Image Analysis, Model Context Protocol
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, Unit Testing, Large Language Modeling, LangChain, Generative AI, Retrieval-Augmented Generation, Data Wrangling, Responsible AI, Exploratory Data Analysis, Unsupervised Learning, Model Evaluation, Generative Model Architectures, PyTorch (Machine Learning Library), LLM Application, Keras (Neural Network Library), Supervised Learning, Vector Databases, Fine-tuning, Python Programming
★ 4.7 (101K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: LangGraph, AI Orchestration, Agentic Workflows, Python Programming, Context Management, Data Validation
★ 4.8 (23) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: LangChain, Hugging Face, Prompt Engineering, Retrieval-Augmented Generation, Model Evaluation, Large Language Modeling, CrewAI, OpenAI API, Generative AI Agents, LLM Application, Vector Databases, Gemini, ChatGPT, Responsible AI, Embeddings, Artificial Intelligence, Agentic systems, OpenAI, Generative AI, Python Programming
★ 4.4 (291) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, LangChain, Retrieval-Augmented Generation, LLM Application, Vector Databases, Generative AI, Generative AI Agents, Embeddings, Large Language Modeling, JSON, AI Workflows, AI Orchestration, User Interface (UI), AI Integrations, Model Evaluation, Database Systems, Data Storage Technologies, Databases, Database Management Systems, Flask (Web Framework)
★ 4.6 (810) · Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Model Context Protocol, Prompt Engineering, Retrieval-Augmented Generation, LangChain, OpenAI API, Embeddings, Image Analysis, Responsible AI, AI Workflows, OpenAI, LLM Application, AI Integrations, Cloud Deployment, Prompt Patterns, Memory Management, Hugging Face, Generative AI, Application Deployment, Vector Databases, Software Engineering
★ 4.5 (442) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: LangChain, LLM Application, Hugging Face, Retrieval-Augmented Generation, LangGraph, AI Workflows, Large Language Modeling, AI Orchestration, Generative AI, Token Optimization, AI Integrations, Generative Model Architectures, CI/CD, Data Integration, Fine-tuning, Embeddings, Security Controls, Model Training, Containerization, Docker (Software)
★ 2 (9) · Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: AI Orchestration, AI Workflows, CrewAI, LangGraph, Agentic Workflows, LLM Application, LangChain, Agentic systems, Generative AI Agents, AI Integrations, Application Deployment, Artificial Intelligence and Machine Learning (AI/ML), Software Architecture, Context Management, API Design, Data Validation, Memory Management, Data Persistence, Vector Databases, Scalability
★ 4.4 (11) · Intermediate · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LangGraph, LangChain, LLM Application, Agentic Workflows, Generative AI Agents, Agentic systems, Data Persistence, Context Management
★ 4.7 (334) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, LLM Application, OpenAI API, OpenAI, Hugging Face, Embeddings, Data Processing, Generative AI Agents, Application Development, Memory Management
★ 3.3 (22) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Large Language Modeling, Retrieval-Augmented Generation, Generative AI, PyTorch (Machine Learning Library), Generative AI Agents, Fine-tuning, Vector Databases, LLM Application, Generative Model Architectures, Generative Adversarial Networks (GANs), Embeddings, Natural Language Processing, Hugging Face, Model Optimization, Reinforcement Learning, Data Pipelines, Model Training, Artificial Intelligence, Responsible AI
★ 4.6 (1.1K) · Intermediate · Specialization · 3 - 6 Months

IBM
Skills you'll gain: Prompt Engineering, Prompt Patterns, Unit Testing, Software Development Life Cycle, Generative AI, Retrieval-Augmented Generation, Large Language Modeling, Software Architecture, Responsible AI, Computer Vision, LangChain, LLM Application, Javascript, IBM Cloud, Data Ethics, Python Programming, Application Deployment, Software Development, Machine Learning, Data Science
★ 4.6 (83K) · Beginner · Professional Certificate · 3 - 6 Months