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LibreChat vs Onyx

A side-by-side comparison of LibreChat and Onyx, two Assistant tools, drawn from Ignaite's continuously-verified listings.

Compared from listings verified as of

LibreChat

Assistant

Self-hosted ChatGPT alternative unifying every major AI provider.

View LibreChat

Onyx

Assistant

Open-source, self-hosted AI chat and enterprise search over your own docs.

View Onyx

At a glance

Feature comparison of LibreChat and Onyx
AttributeLibreChatOnyx
CategoryAssistantAssistant
Pricing (differs)BYO KEYFREEMIUM
License (differs)Open sourceOpen core
DeploymentSelf-hostSelf-host
PlatformsWeb, APIWeb, API
Model supportMulti-modelMulti-model
Vendor (differs)Danny Avila / LibreChatOnyx
Capabilities (differs)
  • Sandboxed code execution
  • Multi-model access
  • Chat with documents
  • Text-to-image
  • Web research agent
  • Agent framework
  • Chat with documents
  • Unified search
  • RAG pipeline
  • Cited answers
  • Knowledge graph

The honest brief

LibreChat

Multi-user auth built in — the closest to a self-owned, team-wide ChatGPT across every provider.

  • Unifies many providers in one UI
  • Agents, code, RAG, web search
  • Runs on your own infrastructure
  • BYO keys or local endpoints
  • Self-host + Docker setup needed
  • BYO model keys (usage costs)
  • Maintenance burden on you

Onyx

Formerly Danswer — MIT-core enterprise search/RAG over your own apps, self-hosted, optional features under open-core.

  • Data stays on your own infrastructure
  • Connects to company docs and apps
  • Works with any LLM, incl. local
  • MIT core, free
  • Some features under separate license
  • Self-host ops overhead
  • Connectors need configuration

When to pick which

Both cover Chat with documents.

Pick LibreChat if you need Sandboxed code execution, Multi-model access, Text-to-image, and Web research agent.

  • Sandboxed code execution (secondary capability)
  • Multi-model access (primary capability)
  • Text-to-image (secondary capability)
  • Web research agent (secondary capability)

Pick Onyx if you need Agent framework, RAG pipeline, Cited answers, Unified search, and 1 more.

  • Agent framework (secondary capability)
  • RAG pipeline (primary capability)
  • Cited answers (primary capability)
  • Unified search (secondary capability)
  • Knowledge graph (secondary capability)

They also differ on:

Pricing
BYO KEY · FREEMIUM
License
Open source · Open core