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Tool comparison

LangGraph vs LlamaIndex

Side-by-side comparison sourced from the latest tool data we maintain. Updated whenever a tool ships a release. Both compete in Agentic Workflows, AI.

L

Option A

LangGraph

Agent Framework

Stateful orchestration framework for multi-step LLM agents.

Visit LangGraph
L

Option B

LlamaIndex

Agent Framework

Data framework for connecting LLM apps to private and external data.

Visit LlamaIndex

Quick comparison

Pulled directly from each tool's catalog entry.

AttributeLangGraphLlamaIndex
Pricing modelOpen sourceOpen source
Free trialNoNo
Setup complexityhardhard
PlatformsWeb, Linux, macOS, WindowsWeb, Linux, macOS, Windows
IntegrationsLangChain, OpenAI API, Anthropic APIVector databases, OpenAI API, Anthropic API
Current versionsdk==0.4.0
Original release1/15/2024Not specified
Latest release5/28/2026Not specified
GitHub activity5/29/2026Not specified
Freshness score100/100Not scored
CategoriesAgentic Workflows, AIAgentic Workflows, AI

When LangGraph fits best

  • Automate multi-step tasks where AI agents can plan, execute, and iterate with minimal supervision.
  • Build AI-powered features such as assistants, copilots, and workflow automation.
  • Connect LangGraph into existing stacks with integrations like LangChain, OpenAI API, Anthropic API.
  • Adopt for advanced teams that need deeper customization and higher operational control.
  • Choose this when you need open-source flexibility and self-hosting optionality.

When LlamaIndex fits best

  • Automate multi-step tasks where AI agents can plan, execute, and iterate with minimal supervision.
  • Build AI-powered features such as assistants, copilots, and workflow automation.
  • Connect LlamaIndex into existing stacks with integrations like Vector databases, OpenAI API, Anthropic API.
  • Adopt for advanced teams that need deeper customization and higher operational control.
  • Choose this when you need open-source flexibility and self-hosting optionality.

What they share

Platforms
Web, Linux, macOS, Windows
Integrations
OpenAI API, Anthropic API

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Side-by-side comparison of two developer tools on DevTechLife. Some links on this page are affiliate links. See our affiliate disclosure for details.