May 20
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Three AI frameworks. One decision. In this video I break down LangChain, LlamaIndex, and Mastra — the three frameworks every AI engineer is arguing about in 2026 — and give you a simple rule to pick the right one in under a minute. No sponsored takes. No framework tribalism. Just the truth about which tool belongs in which stack. ━━━━━━━━━━━━━━━━━━━━━ ⏱️ CHAPTERS ━━━━━━━━━━━━━━━━━━━━━ 00:00 The 3-framework problem 00:45 Why this decision matters more than you think 02:10 Origin stories (how we got here) 03:40 LangChain — the Swiss army knife 06:00 LlamaIndex — the data specialist 08:20 Mastra — the TypeScript native 10:30 Head-to-head: 5 rounds 12:15 The decision framework 13:40 The verdict 15:00 Outro ━━━━━━━━━━━━━━━━━━━━━ 🎯 THE TL;DR ━━━━━━━━━━━━━━━━━━━━━ • Python team + need breadth → LangChain • Python team + retrieval-heavy → LlamaIndex • TypeScript team → Mastra • Building an agent from scratch → Mastra • Wrapping an existing RAG pipeline → LlamaIndex • Prototyping with 12 different LLMs → LangChain ━━━━━━━━━━━━━━━━━━━━━ 🔗 LINKS MENTIONED ━━━━━━━━━━━━━━━━━━━━━ LangChain → https://www.langchain.com LlamaIndex → https://www.llamaindex.ai Mastra → https://mastra.ai ━━━━━━━━━━━━━━━━━━━━━ 📺 LEARN MORE ━━━━━━━━━━━━━━━━━━━━━ → www.mansooritechnologies.com ━━━━━━━━━━━━━━━━━━━━━ 👋 ABOUT ━━━━━━━━━━━━━━━━━━━━━ Honest framework breakdowns for AI engineers who ship. No hype. No vibes. Just the decisions that actually matter. Subscribe for more ━━━━━━━━━━━━━━━━━━━━━ #LangChain #LlamaIndex #Mastra #AIagents #RAG #AIengineer #TypeScript #Python #GenAI #LLM