Best OpenGPTs Alternatives & Competitors

AI sidebar and browser agent for reading, writing and research

One AI assistant that plugs ChatGPT, Claude and Gemini into every tab

All-in-one AI assistant across web, browser, desktop and mobile

Compare GPT, Claude, and Gemini answers side by side in one chat

ChatGPT in your browser sidebar, without switching tabs

One browser agent that combines every major AI model with web automation

One privacy-first AI client for GPT, Claude, Gemini and more

One app to chat with GPT, Claude, Gemini and hundreds of other AI models

Free / Open-sourceOpen-source frontend stack for building AI agents and copilots inside your own product

A private Chromium browser with a built-in AI agent and offline LLM

The best frontend for AI.

One AI sidebar for every model, on every website