According to AlphaMoat, as of 2026-09, the Chrome extension AI Sidebar has 4,000 users (+33.3% MoM), rated 4.5 (23 reviews) — ranked #809 of 9,324 AI browser extensions, and #181 of 2,418 in General AI.
AI Sidebar & AI Assistant for Chrome. Chat with ChatGPT, Claude & Gemini in one side panel. 100% free, with unlimited usage. AI Sidebar & AI Assistant for Chrome. Chat with ChatGPT, Claude & Gemini in one side panel. 100% free, with unlimited usage.
AI Sidebar — ChatGPT, Claude, and Gemini in one Chrome side panel. 100% free. Unlimited usage.
Stop juggling browser tabs. AI Sidebar is the all-in-one AI assistant for Chrome that puts ChatGPT, Claude, and Google Gemini right inside your browser's side panel — so you can chat with any AI model without ever leaving the page you're working on.
No sign-up for the extension. No paywall. No usage caps from us. You simply sign in to the AI chatbots you already use, and they open in a clean, distraction-free sidebar.
🚀 What you get
💸 Why "FREE & Unlimited"? This extension doesn't charge you and doesn't rate-limit you. The only limits are whatever your own ChatGPT, Claude, or Gemini account has. Free tier of each AI? You get the free tier. Paid plan? You get the paid plan. We never get in the way.
🎯 Perfect for
⚡ How it works
Install the extension (free, takes one click) Pin it to your Chrome toolbar Click the icon on any page to open the AI side panel Pick ChatGPT, Claude, or Gemini from the sidebar nav Sign in to the AI the first time — your session is remembered Chat away while you browse, read, or work 🔒 Privacy Your chats go directly between you and the AI provider (OpenAI, Anthropic, Google). We don't proxy your conversations, we don't collect your prompts, we don't run analytics on what you type. The extension stores only your tiny UI preferences (which AIs you want visible) locally in Chrome.
🌐 Supported AI models ChatGPT (GPT-4o, GPT-4, GPT-5, o1) • Claude (Opus, Sonnet, Haiku) • Gemini (1.5 Pro, 2.0 Flash, and newer as Google ships them). You always get whatever model your signed-in account has access to.
🤔 FAQ
Is this really free? Yes — the extension is free forever, and it does not charge for usage.
Do I need an API key? No. You use the regular web versions of ChatGPT, Claude, and Gemini, signed in to your own accounts. No API setup.
Does it work with the free version of each AI? Yes. Free, Plus, Pro, Team — whatever plan you have on the AI's website, you get inside the sidebar.
Why do I need to sign in inside the sidebar? Because the extension opens the real ChatGPT / Claude / Gemini websites in a side panel. Your sessions are handled by those providers, not by us.
Can I use it on any website? Yes. The side panel sits next to whatever page you're browsing.
Does it slow down Chrome? No. The AI loads only when you open its panel.
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.