Self-Hosted ChatGPT & LLM Alternatives (2026)
Ranked by how painless they are to run yourself — from one-click deploys and single docker run commands up to multi-service stacks. Lower difficulty first.
Run large language models locally with a simple CLI and REST API
Feature-rich self-hosted chat UI for Ollama and OpenAI-compatible APIs
All-in-one local AI app with RAG, agents, and no-code agent builder
Self-hosted AI-powered search engine, an open-source Perplexity alternative
AI deep research tool with multi-source search, PDF extraction, and local storage
Modern AI chat framework with multi-provider support and MCP marketplace
Drop-in OpenAI-compatible API for running AI models fully offline
Enhanced multi-provider AI chat platform with auth, search, and plugins
Personal AI second brain: search your docs, schedule automations, do deep research
LLMOps platform for prompt management, evaluation, and LLM observability
Containerized LLM toolkit: manage backends, APIs, and frontends via one CLI
Enterprise-grade AI chat with 40+ connectors, agents, and deep research