Best ChatGPT Sidebar Alternatives & Competitors

AI sidebar and browser agent for reading, writing and research

ChatGPT in your browser sidebar, without switching tabs

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

OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.

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

Your GPT-powered sidekick for every page, PDF and video

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

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

An AI sidebar that answers, writes and translates on any web page

One AI sidebar for every model, on every website

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

Chat with 30+ leading AI models in one clean, fast workspace