LlamaIndex

LlamaIndex

3.0

LlamaIndex connects data sources to LLMs, enabling efficient indexing and retrieval for AI applications.

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LlamaIndex
Last Updated Oct 21, 2026
LlamaIndex screenshot

About

LlamaIndex is a powerful framework designed specifically for building intelligent knowledge assistants based on enterprise proprietary data. It efficiently connects large language models (such as GPT) with internal enterprise data sources, enabling organizations to quickly build customized question-answering systems and data analysis tools, fully unlocking the potential value of their data.

Key Features

Data connectivity and indexing: Supports ingesting data from multiple sources (such as APIs, databases, PDFs, and other documents) and building efficient indexes.
Semantic query processing: Allows users to query using natural language, with the system accurately understanding and returning the most relevant information.
Context augmentation: Integrates enterprise proprietary data with large language models to deliver accurate, context-aware responses.
Modular design: Provides flexible interfaces that make it easy for developers to customize and extend functionality based on specific requirements.

Pricing & Fees

  • Pricing: LlamaParse offers a Free plan at $0/month, Starter at $50/month, Pro at $500/month, and a custom-priced Enterprise plan; EU pricing is shown separately on the site.
  • Free tier: The free plan includes 10,000 credits per month (about 1,000 pages), with Agentic OCR parsing, structured schema extraction, and support for up to 100 users.
  • Plan limits: Starter includes 40K credits with pay-as-you-go up to 400K credits; Pro includes 400K credits with pay-as-you-go spending up to $5,000/month, plus a limited-time one-time bonus of 800K credits ($1,000 value, business email domains only).
  • Enterprise options: Enterprise adds volume credit discounts, 5x higher rate limits, Enterprise SSO, SaaS or hybrid cloud deployment, and a dedicated account manager; a startup program offers free credits and support.

Who It's For

LlamaIndex is ideal for enterprise developers, data engineers, AI researchers, and any professional looking to build intelligent question-answering systems or knowledge management tools using internal corporate data. Whether you are a startup or a large enterprise, this framework enables data-driven decision support across your organization.