Best Jack's ChatGPT Alternatives & Competitors

Your AI agent for the browser: chat, automate and create from one sidebar

ChatGPT in your browser sidebar, without switching tabs

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

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 browser agent that combines every major AI model with web automation

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

ChatGPT in your Mac menu bar, inline and everywhere

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

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

A free, privacy-first AI chat that switches between the models you need

SpecialistKeep a chat assistant in a small floating window while you work