Best Free Self-Hosted AI for self-hosting

OpenClaw

Self-Hosted AI

The AI that actually does things

Hermes Agent

Self-Hosted AI

The AI agent that grows with you

The open source AI coding agent

Replaces Claude Code, Cursor

Practical multilingual OCR toolkit

Replaces Google Cloud Vision, AWS Textract

OpenHands

Self-Hosted AI

Autonomous AI software engineering agent

Replaces Devin, GitHub Copilot Workspace

Fast, memory-efficient LLM finetuning

Replaces OpenAI Fine-tuning

Autonomous coding agent for your editor

Replaces GitHub Copilot, Cursor

Natural-language interface that runs code on your machine

Replaces ChatGPT Code Interpreter

Self-hosted memory layer for AI agents and assistants

Replaces OpenAI Memory

Unified OpenAI-compatible API gateway for many models

Replaces OpenAI API

Few-shot voice cloning and text-to-speech

Replaces ElevenLabs

Fast C++ port of OpenAI Whisper speech recognition

Replaces Otter.ai, Google Speech-to-Text

Free AI image upscaler for the desktop

Replaces Topaz Gigapixel AI

Deep learning toolkit for local text-to-speech

Replaces ElevenLabs

Self-hosted AI notebook for documents and audio overviews

Replaces Google NotebookLM

Simple and fast retrieval-augmented generation with graphs

Replaces OpenAI Assistants

Transformer-based text-to-audio generation model

Replaces ElevenLabs

Self-hosted voice conversion and cloning interface

Replaces ElevenLabs voice cloning

Framework for programming, not prompting, language models

Replaces LangChain

Self-hosted tool to test and refine LLM prompts

Replaces PromptPerfect

Instant voice cloning with flexible style control

Replaces ElevenLabs

Graph-based retrieval-augmented generation system

Replaces OpenAI Assistants

AI developer that writes apps with human oversight

Replaces Devin

Memory and knowledge graph engine for AI agents

Replaces Mem0, Pinecone

Industry-leading face manipulation and swapping platform

Replaces DeepFaceLab

Autonomous agent for comprehensive online research reports

Replaces Perplexity, ChatGPT

Ultra-lightweight personal AI assistant

Build stateful LLM agents with long-term memory

Replaces OpenAI Assistants

Generative audio and music models from Meta

Replaces Suno, ElevenLabs

Chat with your documents fully offline

Replaces ChatGPT

Constrained generation language for controlling LLMs

Replaces OpenAI API

Multilingual document OCR and layout analysis toolkit

Replaces Google Cloud Vision, AWS Textract

Framework for building contextual text and voice assistants

Replaces Dialogflow, Amazon Lex

Language-model agent that resolves GitHub issues

Replaces Devin

Agent Zero

Self-Hosted AI

Personal organic agentic AI framework that grows with use

Replaces AutoGPT, Devin

Unit testing framework for LLM outputs

Replaces LangSmith, Braintrust

Framework for building controlled conversational AI agents

Replaces Voiceflow

Open-source framework for autonomous AI agents

Replaces AutoGPT

LibreTranslate

Self-Hosted AI

Free and Open Source machine translation API

Replaces Google Translate, DeepL

Query multiple AI chatbots side by side at once

Replaces Poe

Customizable AI research agent connected to your knowledge

Replaces NotebookLM, Perplexity

Evaluation framework for retrieval-augmented generation

Replaces LangSmith

Structured text generation for language models

Replaces OpenAI Structured Outputs

Framework for enterprise RAG with small language models

Replaces OpenAI Assistants

Unified framework to benchmark language models on many tasks

Replaces OpenAI Evals

Recipes for pretraining and finetuning open LLMs

Replaces OpenAI Fine-tuning

Open-source AI observability and evaluation platform

Replaces LangSmith, Helicone

Embedded vector database for AI applications

Replaces Pinecone

Build and evaluate LLM application flows

Replaces LangSmith, Vertex AI

High-performance inference serving for any model framework

Replaces Amazon SageMaker

Self-hosted offline ChatGPT-like chatbot powered by Llama

Replaces ChatGPT

All-in-one LLM CLI tool with chat-REPL and API server

Replaces ChatGPT

High-performance RLHF framework for training LLMs

Replaces OpenAI Fine-tuning

Distributed inference framework for LLMs and embeddings

Replaces OpenAI API, Hugging Face Inference Endpoints

Compact, high-quality open text-to-speech model

Replaces ElevenLabs, OpenAI TTS

AI-powered deep research tool with multi-source search (arXiv, PubMed,

Framework for building and serving AI model APIs

Replaces Amazon SageMaker, Vertex AI

Composable API server for building generative AI applications

Replaces OpenAI API

Production-ready RAG engine with a RESTful API

Replaces OpenAI Assistants

AI assistant that turns issues into pull requests

Replaces GitHub Copilot Workspace

High-quality multilingual text-to-speech library

Replaces ElevenLabs, Amazon Polly

Open-source observability for LLM applications

Replaces LangSmith, Datadog LLM Observability

Run and fine-tune LLMs locally on Apple Silicon with MLX

Replaces OpenAI API

Workspace for training and evaluating local LLMs

Replaces OpenAI Playground

Open-source LLMOps platform for prompt and app management

Replaces LangSmith

Simple, hackable GraphRAG implementation in Python

Replaces Microsoft GraphRAG

Speaches

Self-Hosted AI

OpenAI-compatible speech-to-text and text-to-speech server

Replaces OpenAI Audio API, ElevenLabs

Framework for synthetic data generation and AI feedback

Replaces Scale AI

State-of-the-art music source separation

Replaces LALAL.AI

Framework for building AI assistants with memory and plugins

Replaces OpenAI Assistants

Self-hosted face swapping for images and videos

Replaces Reface

DSPy-inspired framework for building typed LLM programs

Replaces DSPy

Memory-efficient inference library for quantized Llama models

Replaces OpenAI API

Quickly deploy your own ChatGPT-style web service

Replaces ChatGPT

AI agent for teams, communities, and multi-user environments

Self-hosted autonomous AI agent platform

Replaces AutoGPT

Polished web UI for ChatGPT, DALL-E and other AI models

Replaces ChatGPT

SecureAI Tools

Self-Hosted AI

Private AI chat and document analysis you fully control

Replaces ChatGPT

A ChatGPT web client that supports multiple users, multiple languages,

Crowdsourced distributed cluster for AI generation

Replaces Midjourney

Toolkit for tracking and evaluating LLM applications

Replaces LangSmith

A document reader with Text-to-Speech capabilities