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AI21 Labs — Deep Dive

TL;DR: AI21 Labs, the Israeli NLP pioneer behind Jurassic and Jamba, is navigating a turbulent but transformative period in 2026.

  • AI21 Labs raised $300M in 2025 funding round
  • 61% workforce reduction in May 2026
  • Leadership includes academic luminaries

What Is RAG? Retrieval-Augmented Generation Explained

Originally published on DevToolHub . What is RAG, in one sentence? A way to make an LLM answer questions using documents it was never trained on, by searching those documents for relevant passages and…

  • RAG combines pre-existing model knowledge with live lookup into external index
  • Key component of RAG is vector database for indexing and retrieving relevant document chunks

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