Chrome Extension · Productivity Published: October 26, 2023 Category: Productivity Gmail AI Reply Helper. Make email communication faster, easier and smarter — AI-powered reply suggestions generated directly inside Gmail using OpenAI, Claude, Gemini or your own local Ollama model. Add to Chrome — Free See Features Completely Free Online & Offline AI Privacy First Chrome Extension Gmail — Inbox (1 new message) John (Client) · 10:32 AM Hi, I wanted to follow up on the project proposal. Could you send over the timeline and estimated cost breakdown? Looking to make a decision by Friday. AI Reply Suggestion via GPT-4o Hi John, Thank you for following up! I'll prepare a detailed timeline and cost breakdown for the project and send it over by tomorrow morning. Looking forward to discussing it further. Have a great day! Best regards, AI Reply Edit Send Draft Generated in 0.9s Gmail Integration GPT-4o Support Ollama Offline Mode Privacy First AI Reply Drafts Claude & Gemini Instant Suggestions Chrome Extension Gmail Integration GPT-4o Support Ollama Offline Mode Privacy First AI Reply Drafts Claude & Gemini Instant Suggestions Chrome Extension How It Works Gmail AI Reply Helper streamlines your email workflow in four simple steps. 01 Compose or Reply Start a new email or open a reply to an existing conversation within your Gmail inbox as you normally would. 02 Activate AI Click the AI Reply button that appears in the Gmail compose window — a single click triggers the magic. 03 Generate Reply Instantly receive a context-aware draft reply generated by your chosen AI provider — OpenAI, Claude, Gemini or Ollama. 04 Review & Send Review the suggestion, add a personal touch if needed, and send. You remain in full control of every message. What's Included Key Features Packed with productivity-boosting capabilities — everything you need for smarter email communication. Dual AI Mode Choose between online AI (GPT-4, Claude, Gemini via OpenRouter) and offline AI (Ollama) — seamlessly switch based on your privacy needs. Online & Offline Smart Context Recognition The AI intelligently analyses conversation history, message tone and urgency level to generate replies that are genuinely relevant and appropriate. Context-Aware Professional Quality AI-generated replies maintain proper etiquette, greetings and appropriate formality — always professional, never robotic. Business Ready Seamless Gmail Integration A simple, intuitive, non-intrusive design that lives entirely within your Gmail compose window — no switching tabs or copy-pasting. Native Gmail UI Privacy First No hidden data storage. The optional offline Ollama mode ensures 100% local processing — your emails never leave your machine. Zero Data Storage You Stay In Control Every AI suggestion is editable before sending. Add your personal touch, tweak the tone or rewrite entirely — AI assists, never overrides. Always Editable AI Providers Choose Your AI Mode Full flexibility — use premium cloud AI when you need the best, or run fully offline for maximum privacy. Online Mode — Cloud AI Access the world's most capable AI models through OpenRouter. Premium quality responses with access to the latest GPT, Claude and Gemini versions. Access GPT-4o, Claude 3.5, Gemini 1.5 and more Higher quality, more nuanced replies API key required from OpenRouter (BYOK) Pay only for what you use via OpenRouter pricing Supported Models GPT-4o Claude 3.5 Gemini 1.5 Mistral Large Get OpenRouter API Key Offline Mode — Local Ollama Run AI entirely on your own machine using Ollama. No internet required, no data leaves your device — maximum privacy at zero ongoing cost. 100% private — data never leaves your machine Works without internet connection Ollama must be installed on your local machine Larger models need sufficient GPU/CPU resources Supported Local Models LLaMA 3 Mistral Phi-3 Gemma 2 Install Ollama Before You Start Requirements Everything you need to get Gmail AI Reply Helper up and running in minutes. Google Chrome The extension is designed exclusively for the Google Chrome browser. Install it from the Chrome Web Store with one click. Gmail Account A valid Gmail account is required. The extension integrates directly into your Gmail compose window for a seamless experience. AI Provider Online: An API key from OpenRouter to access premium models.Offline: Ollama installed and running locally — no API key needed. Pricing Simple, Transparent Pricing The extension is free. You only pay for AI usage if you choose an online provider. Extension Free Always free to install and use Install from Chrome Web Store at no cost Offline mode — completely free forever All extension features included No subscriptions or hidden fees Online mode (OpenRouter): You bring your own API key. Usage costs are determined by OpenRouter's pricing — typically fractions of a cent per email. Install Free on Chrome FreeExtension — always 4+AI providers supported 100%Private in offline mode <1sAverage reply generation Get Started Free Save Time. Stay Professional.Revolutionize Your Email. Join thousands of professionals using Gmail AI Reply Helper to write faster, smarter emails — completely free, with your choice of AI provider. Add to Chrome — It's Free Free to install — no credit card Works with your existing Gmail Online or 100% offline mode