MaxAI is a 1-click AI browser extension providing access to GPT-4o, Claude 3.5, and Gemini across any webpage for instant summarizing, rewriting, and replying.
Starting price Freemium / $12-$30/mo
Tool Information
MaxAI platform architecture and 1-click browser copilot
MaxAI (accessible at maxai.co, Chrome Web Store, Edge, and desktop applications, founded by Jack Cao) is an artificial intelligence browser copilot, writing assistant, and web reading extension. Designed to bring AI capabilities directly to where users write and read online, MaxAI operates inside Gmail, Google Docs, LinkedIn, YouTube, and any web page.
The platform aggregates top frontier AI models: OpenAI GPT-4o, Anthropic Claude 3.5 Sonnet, Google Gemini 1.5 Pro, and DeepSeek. MaxAI features 1-Click Text Selection Menu, Email Reply Generator (Gmail & Outlook), Instant Webpage & PDF Summarizer, YouTube Video Takeaways, Grammar & Tone Polishing, and customizable team prompt presets.
Core copilot capabilities and MaxAI tools
MaxAI delivers features for web reading speed and writing productivity:
- 1-click text selection popup: Highlight any text online to instantly summarize, explain, translate, improve writing, or fix grammar.
- Unified multi-model access: Switch seamlessly between GPT-4o, Claude 3.5 Sonnet, and Gemini 1.5 within a single sidebar.
- Contextual email copilot: Draft email replies in Gmail and Outlook based on the entire conversation thread with 1 click.
- Webpage & PDF reader: Extract summaries, key statistics, and action points from active browser articles and uploaded PDFs.
- YouTube video summarizer: Generate structured video summaries with clickable timestamps and key highlights.
- Custom prompt library: Create and trigger reusable prompt templates across different web workflows.
Comparative benchmark: MaxAI vs. Merlin AI and Sider AI
MaxAI provides a lightweight 1-click selection popup, deep email composer integration, and multi-model access.
| Dimension | MaxAI | Merlin AI | Sider AI |
|---|---|---|---|
| Model access | GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, DeepSeek | GPT-4o, Claude 3.5 Sonnet, Gemini 1.5, LLaMA 3 | GPT-4o, Claude 3.5, Gemini 1.5, DeepSeek |
| Email composer tool | Inline 1-click thread-aware replies in Gmail & Outlook | Floating modal email helper | Sidebar email drafter |
| Workflow activation | Inline text selection menu + sidebar panel | Universal hotkey (Ctrl+M) floating window | Collapsible sidebar drawer |
| Pricing model | Freemium ($0 / $12.00 to $30.00/mo) | Freemium ($0 / $6.00 to $19.00/mo) | Freemium ($0 / $20.00 to $50.00/mo) |
Practical applications and operational limits
- Email communication acceleration: Draft context-aware responses to client emails in Gmail in seconds.
- Fast web article scanning: Summarize 10-page industry reports directly in your browser without reading full text.
- Inline writing enhancement: Polish grammar, improve vocabulary, and change tone across web text areas.
- YouTube research extraction: Extract key takeaways and timestamps from long interviews and video lectures.
Operating limits: Free plan provides basic daily query credits. High query limits, fast response speeds, and access to advanced models (GPT-4o, Claude 3.5 Sonnet) require a Pro or Elite subscription.
Subscription plans and MaxAI pricing
MaxAI offers a free tier alongside monthly and discounted annual subscriptions:
| Plan Tier | Monthly Billing | Annual Commitment Rate | Included Queries, Frontier Models & Capabilities |
|---|---|---|---|
| Free Plan | $0 | $0 | Daily basic queries, standard model access, 1-click text selection menu, Gmail copilot trial |
| Pro Plan (Popular) | $20.00/mo | $12.00/mo ($144.00/yr) | Unlimited fast queries on standard models, access to GPT-4o & Claude 3.5 Sonnet, PDF analysis, YouTube summaries |
| Elite Plan | $30.00/mo | $19.00/mo ($228.00/yr) | Maximum credit limits on frontier models (Claude 3.5 Sonnet & GPT-4o), priority server compute, early feature access |
*Pricing and plan details verified as of August 2026.
Step-by-step workflow
- Install extension: Add MaxAI from the Chrome Web Store or Edge Add-ons store.
- Highlight web text: Select any text on a webpage; the MaxAI action popup appears immediately.
- Click action: Choose “Summarize”, “Explain”, “Translate”, or “Improve Writing” for instant processing.
- Compose in Gmail: Click the MaxAI button in Gmail to auto-draft email replies based on incoming email threads.
Editorial verdict
- Best for: Busy professionals, executives, writers, and customer support agents who want 1-click text assistance directly inside their daily web apps without leaving their active tabs.
- Not recommended for: Standalone bulk data scraping without browser context.
- Learning curve: None. Operates directly on highlighted text.
- Value threshold: Strong value. The Pro annual plan ($12/mo) provides fast access to leading LLMs in one extension.
- Bottom line: MaxAI is a responsive 1-click browser copilot, streamlining web reading and email drafting.
F.A.Q
Pros and Cons
Pros
- 1-click text selection popup providing instant summarization, translation, and rewriting anywhere online
- Multi-model aggregation combining GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, and DeepSeek
- Thread-aware email reply assistant integrating directly into Gmail and Microsoft Outlook
- YouTube video summarizer extracting key takeaways and timestamped highlights with one click
- Custom prompt library allowing users to save and reuse frequent business and writing templates
Cons
- Free plan includes modest daily query allowances that require upgrading for heavy daily use
- High-end frontier models like Claude 3.5 Sonnet have monthly usage caps on base tiers
- Requires browser extension permissions to read webpage content and assist with web forms
Reviews
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Overview
MaxAI.me - Free AI Copilot for the Web. Powered by ChatGPT, Bard, Bing AI, and Claude
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