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LlamaIndex vs Mastra

LlamaIndex provides data-centric retrieval over documents, not a full agent framework with memory and workflows.

Which to pick

Pick LlamaIndex if you want…

  • Agentic OCR for complex docs
  • Document-oriented retrieval
  • Integrations with Microsoft Azure Marketplace (on LlamaIndex's list, not Mastra's)

Pick Mastra if you want…

  • Typed AI agents with built-in observability
  • Integrations with React, Next.js or Node (on Mastra's list, not LlamaIndex's)

Side by side

What it is
LlamaIndex:LlamaParse converts complex documents into structured, AI-ready data with agentic OCR and extraction.
Mastra:Mastra is an open-source TypeScript framework for building AI agents with memory, tools, workflows and observability.
Best for
LlamaIndex:Agentic OCR for complex docs
Mastra:Typed AI agents with built-in observability
Who it’s for
LlamaIndex:Developers building AI agents and RAG pipelines that need accurate document parsing.
Mastra:TypeScript developers building AI-powered applications and agents.
Pricing
LlamaIndex:Freemium
Mastra:Freemium
Plans
LlamaIndex:Free $0
Mastra:Starter $0 per month · Teams $250 per month
Open source
LlamaIndex:Yes, 52,381 GitHub stars
Mastra:Yes, 28,481 GitHub stars
Works with
LlamaIndex:Microsoft Azure Marketplace
Mastra:React, Next.js, Node, LibSQL, Postgres, Vite

LlamaIndex features

  • Agentic OCR. Layout-aware parsing of tables, charts, images and handwriting with high accuracy.
  • Schema-based Extraction. Turn unstructured content into structured JSON using LLM-powered agents without training.
  • Document Splitting & Classification. Automatically segment and categorize documents using natural-language rules.
  • Enterprise Indexing. Chunking and embedding pipeline for precise retrieval in RAG applications.
  • LiteParse Local Engine. Open-source, fast, on-device parsing of PDFs, Office files and images with no cloud limits.
  • Security & Compliance. SOC 2, GDPR, HIPAA compliance with encryption, VPC deployment and granular access controls.

Mastra features

  • Typed Agents. Define agents with instructions, models, tools and runtime behavior in TypeScript.
  • Workflows. Compose multi-step, retryable, branchable workflows with typed control flow.
  • Harness. Coordinate multi-mode agents with shared state, threads and storage.
  • Memory. Durable observational memory with semantic recall and thread-aware storage.
  • Observability. Logs, metrics, traces, datasets and signals for full runtime insight.
  • Server & Studio. Run agents locally or in Mastra Cloud and manage them via a web studio.

LlamaIndex vs Mastra FAQ

Is LlamaIndex or Mastra free?+

LlamaIndex has a free plan and paid plans. Mastra has a free plan (Starter); paid plans start at $250/month (Teams).

Is LlamaIndex or Mastra open source?+

Yes, both are open source: LlamaIndex (run-llama/llama_index on GitHub, MIT license) and Mastra (mastra-ai/mastra on GitHub).

Do LlamaIndex and Mastra integrate with the same tools?+

Their integration lists don't overlap: LlamaIndex lists Microsoft Azure Marketplace; Mastra lists React, Next.js, Node, LibSQL and 2 more.

On DevHunt

LlamaIndex

Listed by DevHunt

Based on each tool's website and DevHunt data. Details may change; check the official sites.