Best ChatGPThing Alternatives & Competitors

ChatGPT in your browser sidebar, without switching tabs

AI sidebar and browser agent for reading, writing and research

One-click AI assistant for browsing, writing and research

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

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

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

The AI browser that reads between your tabs

One AI sidebar for ChatGPT, Claude and Gemini across the web

Free / Open-sourceA private, on-device AI assistant that runs local LLMs right inside your browser

The agentic AI browser that reads your tabs, files, and screenshots as context

A Mac browser built for focus, with an AI companion called Airis

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