📖 The AI Tool Bible

Onyx alternatives

0 mutual alternatives and 6 other related tools for Onyx, ordered by editorial similarity. See all tools on the alternatives hub.

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Onyx lists these as alternatives, but they do not list Onyx back.

AnythingLLM

RAG · Multi-model

A private AI assistant that runs entirely on your computer with no accounts, API keys, or token limits.

Freemium· Basic: $50/monthly; Pro: $99/monthlyAutomating complex workflows with AI agentsRunning scheduled tasks

MaxKB

RAG · Multi-model

Open-source enterprise agent platform addressing high technical barriers, deployment costs, and iteration cycles in enterprise AI adoption.

FreemiumIntelligent customer serviceSmart office assistant

PrivateGPT

RAG · Multi-model (BYO local LLM)

Open-source API layer that turns local models into production AI applications.

Free· OSS free; Zylon enterprise contract (contact sales)Context-aware AI apps based on documentsProduction AI applications

Langchain-Chatchat

RAG · Multi-model (GLM-4, Qwen2, Llama 3, etc. via Xinference/Ollama/LocalAI/FastChat)

Self-hostable RAG and agent framework that wires LangChain to any local open-source LLM and a knowledge base.

Free· Apache-2.0 open source; self-hosted, infra costs onlyprivate-knowledge-baseoffline-rag

Agentset

RAG · Multi-model (Claude, OpenAI, Google, xAI, Cohere, Mistral, DeepSeek)

Production-ready RAG infrastructure with agentic search, citations, and model-agnostic plumbing.

Freemium· Free: $0 · Pro: $49 · Enterprise: Customdocument-qaagentic-search

Kotaemon

RAG · Multi-model (OpenAI, LlamaCPP, any OpenAI-compatible endpoint)

Open-source RAG UI for chatting with your own documents, locally or self-hosted.

Free· Free, open-source (MIT-style); self-hosted infrastructure costs onlydocument-qaprivate-rag