Best Courses on RAG and LLM Application Development (2026)

Find the best RAG and LLM application development courses in 2026. Compare free and paid options from DataCamp, DeepLearning.AI, Flowise, and more for every skill level.

Best Cloud Platforms for Hosting Vector Databases

Compare AWS, Azure, and GCP for hosting vector databases. Learn which cloud platform fits your vector search needs based on your existing stack and LLM provider.

Semantic Search with Sentence Transformers

Build semantic search with Sentence Transformers. Free, local, no API keys. Learn embeddings, cosine similarity, and FAQ matching with Python.

Evaluating RAG Systems: Metrics That Actually Matter

Learn how to evaluate RAG systems with the right metrics. Precision recall faithfulness and relevance benchmarks that actually improve your pipeline.

RAG for Beginners: Complete Guide to Retrieval-Augmented Generation

Learn what RAG (Retrieval-Augmented Generation) is, how it works, and why it's the key to accurate AI. Complete beginner-friendly guide with examples.

Reranking in RAG: Improve Retrieval Accuracy

Master reranking in RAG pipelines. Compare Cohere BGE MiniLM cross-encoders, improve retrieval accuracy, and reduce hallucination with practical examples.

LlamaIndex Tutorial: Build a Knowledge Base Chatbot

Build a knowledge base chatbot with LlamaIndex. Load documents, create indexes, add conversation memory, and source citations with Python.

pgvector Tutorial: Vector Search Inside PostgreSQL

Master pgvector for vector search in PostgreSQL. Store embeddings, run similarity search, and build RAG without leaving your existing database.

Chunking Strategies for RAG: How to Split Documents Correctly

Master RAG chunking strategies. Compare fixed-size, semantic, recursive, and parent-document chunking with practical examples and benchmarks.

Multi-Modal RAG: Retrieving Images and Text Together

Build multi-modal RAG systems that retrieve images and text together. Learn CLIP embeddings, vision models, and cross-modal search with Python.