I Tested LangChain, LlamaIndex & Mastra — One Shocked Me

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

Видео I Tested LangChain, LlamaIndex & Mastra — One Shocked Me канала Mansoori Technologies