Best LlamaIndex alternatives

A

AnythingLLM

Free

Chat assistants

The all-in-one AI application — chat with docs, run AI agents, fully private and local

Open source and free to use

N

NotebookLM

Free

Chat assistants

Your AI-powered research and note-taking assistant, grounded in your sources

M

Meta AI

Free

Chat assistants

Meta's free AI assistant built into Instagram, WhatsApp, Messenger, and Facebook.

M

Mintlify

Free

Chat assistants

The knowledge platform built for agents — self-updating documentation for startups, enterprises, and AI agents.

Free tier available · paid plans for teams/enterprise (see pricing page)

C

Claude

Free

Chat assistants

Anthropic's safety-focused AI assistant — exceptional at long documents and nuanced reasoning.

Free ($0); Pro ($17/mo annual or $20/mo monthly); Max ($100–$200/mo); Team ($20/seat/mo annual or $25/mo monthly for standard, $100/seat/mo annual for premium); Enterprise (custom)

H

Humata

Free

Chat assistants

AI that meets your knowledge base — ask questions across all your files instantly

Free (60 pages, 10 answers) · $9.99/mo Expert · $49/user/mo Team · Enterprise custom

E

Elicit

Free

Chat assistants

AI-powered scientific research assistant that helps you find, analyze, and synthesize academic literature

Free Basic plan; Plus at $11/user/month (billed $132/yr); Pro at $39/user/month (billed $468/yr); Scale at $89/user/month (billed $1,068/yr); Enterprise at custom pricing. Monthly pricing also available (Pro $49/mo, Scale $169/mo).

G

Gemini

Free

Chat assistants

Google's multimodal AI assistant with deep Search and Workspace integration

Free tier available

C

ChatGPT

Free

Chat assistants

OpenAI's conversational AI — the world's most widely-used LLM interface.

Free ($0/mo), Go ($8/mo), Plus ($20/mo), Pro (from $100/mo), Business and Enterprise plans also available.

D

DeepSeek

Free

Chat assistants

Frontier AI models with world-class reasoning — free to chat, open to build on

Free to use with API options available