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: Prompt Engineering, Prompt Engineering Tools, LLM Application, AI Workflows, AI Orchestration, No-Code Development, Retrieval-Augmented Generation, Generative AI Agents, Memory Management, Agentic systems, Application Programming Interface (API), Software Installation
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Prompt Engineering, Vector Databases, Embeddings, System Monitoring, Application Security, Fine-tuning, Artificial Intelligence, Model Evaluation
★ 4.8 (196) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, OpenAI API, OpenAI, Generative AI Agents, LLM Application, Dashboard Creation, Large Language Modeling, AI Integrations, Model Deployment, Back-End Web Development, Restful API, Server Side, Application Programming Interface (API), Web Development, UI Components
★ 4.3 (14) · Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, LLM Application, LangChain, Large Language Modeling, Vector Databases, Model Deployment, OpenAI API, Hugging Face, OpenAI, Scalability, AI Integrations, Embeddings, Generative AI, Application Deployment, Data Integration, Data Science, Machine Learning
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: LLM Application, Data Processing, Data Transformation, Generative AI Agents, Large Language Modeling, Generative AI, Workflow Management, Artificial Intelligence, Embeddings, Context Management, Memory Management, Automation, JSON
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Generative AI, Generative AI Agents, Retrieval-Augmented Generation, Enterprise Architecture, Metadata Management, Data Science, Machine Learning
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Full-Stack Web Development, Retrieval-Augmented Generation, Web Applications, JavaScript Frameworks, React.js, LLM Application, Web Development, Javascript, Tool Calling, Agentic Workflows, Generative AI Agents, Data Persistence
★ 4.7 (16) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, OpenAI API, LangChain, ChatGPT, Prompt Patterns, OpenAI, Generative AI, Multimodal Prompts, LLM Application, AI powered creativity, Generative Model Architectures, Large Language Modeling, AI Workflows, Token Optimization, Application Programming Interface (API), Application Development, Image Quality
Intermediate · Course · 3 - 6 Months

Google DeepMind
Skills you'll gain: Prompt Engineering, Google Gemini, Gemini, Generative AI Agents, AI Integrations, Google Cloud Platform, Application Programming Interface (API), Real Time Data, Key Management, Tool Calling, Agentic systems, Cloud Deployment, Generative Model Architectures, Generative AI, Large Language Modeling, AI Security, Artificial Intelligence, AI Workflows, Cloud Applications, Cloud Development
★ 4.7 (6) · Intermediate · Specialization · 1 - 3 Months

University at Buffalo
Skills you'll gain: Blockchain, Test Driven Development (TDD), Cryptography, Development Testing, Test Script Development, Application Development, Transaction Processing, Emerging Technologies, Application Design, Application Frameworks, Cryptographic Protocols, Web Development Tools, Network Protocols, Program Development, Distributed Computing, Cloud Platforms, Computing Platforms, Development Environment, Integrated Development Environments, Programming Principles
★ 4.6 (9.1K) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: AI Security, AI Orchestration, MLOps (Machine Learning Operations), Model Deployment, Vulnerability Assessments, AI Workflows, Governance Risk Management and Compliance, Retrieval-Augmented Generation, Responsible AI, Compliance Auditing, LLM Application, Personally Identifiable Information, Regulatory Compliance, Regulatory Requirements, Application Deployment, Generative Model Architectures, Decision Intelligence, Model Training, Cloud Deployment, Artificial Intelligence
Intermediate · Specialization · 1 - 3 Months