## Cohort-based courses

Guided programs to get real results.

[AI Engineering Buildcamp: From RAG to Agents  
4.7  
·9 weeks·Sep 21 – Nov 22  
  
Alexey Grigorev Teaching AI and Data to 100k+ students](/content/alexey-grigorev/from-rag-to-agents/index.html)

## Free Lightning Lessons

Interactive sessions to explore new topics.

- [**Better RAG retrieval with late interaction**  
Watch  
·45 minutes  1,848 Students  
  
  
Isaac Flath and Hamel Husain](/content/p/2d7a1c/better-rag-retrieval-with-late-interaction/index.html)
- [**Vectorless RAG with PageIndex**  
Watch  
·60 minutes  802 Students  
  
  
Matt Overstreet, Doug Turnbull, and Trey Grainger](/content/p/5b8c19/vectorless-rag-with-page-index/index.html)
- [**Better Agentic Search with Adaptive Relevance Pipelines**  
Watch  
·60 minutes  266 Students  
  
  
Kevin Butler and Trey Grainger](/content/p/ef781a/better-agentic-search-with-adaptive-relevance-pipelines/index.html)