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OpenAlternative

Open Source Grok Alternatives

A curated collection of the 10 best open source alternatives to Grok.

The best open source alternative to Grok is Open WebUI. If that does not suit you, we have compiled a ranked list of other open source Grok alternatives to help you find a suitable replacement.

Grok alternatives are mainly AI Chat Interfaces. Browse these if you want a narrower list of alternatives or are looking for a specific functionality of Grok.

Written by OpenAlternative Last updated: June 2, 2026
#1

Open WebUI

Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.

Self-hosted AI platform that connects local and cloud models, extends with...

#2

LobeChat

A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constan

A collaborative platform to create, schedule, and operate AI agents that h...

#3

AnythingLLM

A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.

A desktop and self-hostable AI app for chatting with documents, running lo...

#4

Cherry Studio

Desktop AI client for Windows, macOS, and Linux that connects 300+ models from 50+ providers, with local storage, a built-in knowledge base, and auton

Desktop AI client for Windows, macOS, and Linux that connects 300+ models ...

#5

Jan

Jan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off

Jan runs open-source AI models on your own hardware or connects to cloud p...

#6

LibreChat

Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access

Chat with multiple AI providers through a single self-hostable interface, ...

#7

Fullmoon

A mobile app for interacting with private, local large language models that work offline and are optimized for Apple silicon.

A mobile app for interacting with private, local large language models tha...

#8

Zola

Open-source chat application that lets you interact with multiple AI models in one interface, offering flexible conversations and diverse capabilities

Open-source chat application that lets you interact with multiple AI model...

#9

LLMChat

Privacy-focused open-source platform offering deep research capabilities, multi-model support, and customizable AI workflows for enhanced productivity

Privacy-focused open-source platform offering deep research capabilities, ...

#10

VT Chat

A production-ready, privacy-focused AI chat application delivering AI capabilities through a dual-tier subscription system. Built with modern web tech

A production-ready, privacy-focused AI chat application delivering AI capa...