LangChain vs. LlamaIndex vs. raw API calls — which scales
Most teams assume you start bare with API calls and adopt a framework later. ML Mastery tests whether that assumption holds.
• Raw API calls: minimal overhead, maximum control, debugging hell at scale
• LangChain: broad integrations, opinionated chains, dependency bloat
• LlamaIndex: retrieval-first design, smaller surface, steeper learning curve