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🎉 Special launch offer applied at checkout. (-50 EUR)

A unified, intuitive chat UI for OpenAI Anthropic Google Gemini and other leading AI models

  • Bring your own API keys
  • ️Keep your data private
  • Split-screen multitasking
  • Switch between models
  • Upload and parse files
  • Queue requests
  • Settings per model
  • Be quick with shortcuts
  • Use online or self-host
  • Offline support (PWA)
  • Fast and lightweight app
  • Light and dark mode
Try Demo Now
chat
split screen chat
files
chat

True multitasking with features you've been longing for

Effortlessly manage your conversations with powerful tools designed to enhance productivity and streamline your workflow.

Background Completions

Continue to your next chat while existing conversations complete their responses in the background.

Sent after completion:

Queue requests

Queue up your next message while a response is being completed. Messages will be sent automatically once the current response is finished.

New chat from here
New split-screen from here
Regenerate from here

Fork Conversations

Start a new chat or open a split-screen view to explore different directions in the conversation simultaneously.

Pick from top AI models like GPT, Claude, and Gemini

Switch easily between popular models like OpenAI's GPT, Anthropic's Claude, Google's Gemini, and others to match your workflow.

Model Selection

Choose your default AI model for every chat.

Custom Settings

Set model-specific options like temperature.

Seamless Switching

Switch AI models easily during chats.

Fine-Tuned Control

Use settings to optimize model responses.

models

Pay Only for What You Use with Your Own API Keys

Connect your own API keys from OpenAI, Anthropic, or Google to maintain full control over costs. With direct API access, you'll only pay for the messages you actually send—no hidden fees or markups.

OpenAI
Model: GPT-4o
Cost per Token:
Input: $0.0025/1K tokens
Output: $0.01/1K tokens

Example cost:

100 messages (~400 tokens each)

$2.87

Anthropic
Model: Claude 3.5 Sonnet
Cost per Token:
Input: $0.003/1K tokens
Output: $0.015/1K tokens

Example cost:

100 messages (~400 tokens each)

$4.20

Google
Model: Gemini 1.5 Flash
Cost per Token:
Input: $0.000075/1K tokens
Output: $0.0003/1K tokens

Example cost:

100 messages (~400 tokens each)

$0.086

* Pricing information is based on public data as of January 2025. Actual costs may vary. Please check the provider's website for current pricing.

Combine Agents and Files in the Message Input

Add multiple agents and attach files to your input in one message, simplifying combinations and enhancing context.

input

Image Analysis for Vision-Enabled Models

Share images with models that support vision—like GPT-4, Claude 3, or Gemini Pro Vision—and get quick insights on screenshots, diagrams, and more.

vision

Optimized for Mobile with PWA Support

Use the app anywhere with PWA functionality and a responsive design. Enjoy an app-like experience on both desktop and mobile, with offline support for productivity on the go.

chat mobile
models mobile
files mobile

Sync Your Data Across Devices with Google Drive

Keep your conversations, agents, and settings in sync across all your devices. Securely back up and restore your data using your Google Drive account while maintaining complete privacy.

Smart Prompts with Dynamic Variables

Use flexible prompts with %variable% detection to create dynamic and adaptive conversations.

prompts

Generate System Instructions and Agents

Use LLMs to generate agents and system instructions—like an LLM imagining its own helpers. Customize workflows with this AI-powered inception tool in the settings.

inline generation

Self-host MultitaskAI anywhere with static hosting

Deploy anywhere that serves static files—even traditional FTP hosting works! No backend needed—just download, unzip, and host for complete control over your data.

Tiiny Host

GitHub Pages

Netlify

Cloudflare Pages

Vercel

Neocities

Firebase Hosting

Azure Static Web Apps

Tiiny Host

GitHub Pages

Netlify

Cloudflare Pages

Vercel

Neocities

Firebase Hosting

Azure Static Web Apps

Tiiny Host

GitHub Pages

Netlify

Cloudflare Pages

Vercel

Neocities

Firebase Hosting

Azure Static Web Apps

Tiiny Host

GitHub Pages

Netlify

Cloudflare Pages

Vercel

Neocities

Firebase Hosting

Azure Static Web Apps

Firebase Hosting

Azure Static Web Apps

AWS Amplify

Render

GitLab Pages

Bitbucket Pages

Fleek

DigitalOcean App Platform

Firebase Hosting

Azure Static Web Apps

AWS Amplify

Render

GitLab Pages

Bitbucket Pages

Fleek

DigitalOcean App Platform

Firebase Hosting

Azure Static Web Apps

AWS Amplify

Render

GitLab Pages

Bitbucket Pages

Fleek

DigitalOcean App Platform

Firebase Hosting

Azure Static Web Apps

AWS Amplify

Render

GitLab Pages

Bitbucket Pages

Fleek

DigitalOcean App Platform

Fleek

DigitalOcean App Platform

Glitch

Begin

Deta Space

Heroku

Fly.io

Stormkit

Fleek

DigitalOcean App Platform

Glitch

Begin

Deta Space

Heroku

Fly.io

Stormkit

Fleek

DigitalOcean App Platform

Glitch

Begin

Deta Space

Heroku

Fly.io

Stormkit

Fleek

DigitalOcean App Platform

Glitch

Begin

Deta Space

Heroku

Fly.io

Stormkit

Fly.io

Stormkit

Tiiny Host

GitHub Pages

Netlify

Cloudflare Pages

Fly.io

Stormkit

Tiiny Host

GitHub Pages

Netlify

Cloudflare Pages

Fly.io

Stormkit

Tiiny Host

GitHub Pages

Netlify

Cloudflare Pages

Fly.io

Stormkit

Tiiny Host

GitHub Pages

Netlify

Cloudflare Pages

Other Features at a Glance

Import

Load your entire setup, including chats, files, configurations, and preferences, from a JSON file to continue exactly where you left off.

Export

Save your entire workspace, including chats, files, and settings, into a JSON file for easy backup or sharing.

Light/Dark Mode

Switch between light and dark themes to match your environment and enhance usability.

File Parsing

Extract and process content from various file types, including text documents and images.

Multi-Agent Chat

Converse with multiple AI agents at the same time to tackle complex tasks and explore different perspectives.

Advanced Context Menu

Access powerful slash commands and shortcuts, inspired by Notion, to navigate and interact with ease.

Upload Files via Drag and Drop

Easily upload files by dragging and dropping them directly into the app, making file handling more seamless.

Browser-Based

This is a fully browser-based app, ensuring all data remains secure and private. No data is sent to third parties, except for interactions with the APIs you configure.

Keyboard Shortcuts

Streamline your workflow with customizable keyboard shortcuts for quick access to features and commands.

Text-to-Speech

Transform your chat experience with natural voice output. Perfect for multitasking or accessibility needs.

Stop Generating

Take full control of your conversations with instant message generation stopping. Save time and stay focused.

Rename and Duplicate

Keep your chat history organized with duplication and/or renaming. Never lose track of important conversations.

System Information

Monitor storage usage, memory consumption, and system performance directly from the interface.

Auto-scroll Options

Customize how chat messages scroll and stay in view with flexible auto-scroll settings.

Encrypted API Keys

Your API keys are securely encrypted in storage for enhanced security and peace of mind.

Get started with your lifetime license

Enjoy unlimited conversations with MultitaskAI and unlock the full potential of cutting-edge language models—all with a one-time lifetime license.

What's included

  • 5 activations
  • Lifetime updates
  • PWA support for offline usage
  • Self-hosted option for privacy and security
🎉 Special launch offer applied at checkout. (-50 EUR)

€149EUR

€99EUR

Roadmap

We've got big upcoming features that will supercharge your productivity—whether you need multiple languages, prefer local models, or want to sync your data seamlessly. Here's what's next:

Google Drive Sync

Google Drive syncing is nearly ready, pending final approval from Google. Soon, you'll be able to securely sync and share your data across multiple devices.

OpenRouter & ChatGPT-compatible Endpoints

Connect to OpenRouter or ChatGPT-compatible endpoints to extend the app's AI capabilities and work with additional providers or custom solutions.

Audio Parsing

Upload audio clips for automatic transcription. The resulting text can be referenced in chats, attached to agents, or used anywhere else you need AI-driven context.

Multi language support

We're introducing full multilingual capabilities so you can easily switch the entire interface to your preferred language.

Plugins

Install or generate custom plugins with built-in LLM prompts, enabling new and specialized features that expand your AI toolkit.

Chrome Extension

Bring MultitaskAI wherever you browse. Our upcoming Chrome extension lets you interact with AI directly on any webpage.

Visual Prompt Canvas

Design prompts and content generation flows visually with a Figma-like canvas interface. Create complex AI workflows by connecting nodes, managing data flow, and visualizing your prompt engineering process—all in an intuitive drag-and-drop environment.

Desktop App

Enjoy a dedicated desktop version that supports local models for enhanced privacy while also working seamlessly with your chosen cloud-based LLM providers.

FAQ

MultitaskAI is a powerful AI-powered chat application that allows you to connect with AI models like ChatGPT, Claude, and GPT-4, all in one place. With MultitaskAI, you can easily create and manage multiple chats, agents, and prompts, all from one interface. Whether you're looking for a quick and easy way to chat with AI or want to take your conversations to the next level, MultitaskAI has got you covered.

MultitaskAI runs entirely in your browser, using your own API keys to connect with AI models. There are no extra subscriptions beyond any usage fees from your AI provider. You're in full control of your data and usage.

Not at all. MultitaskAI is designed to be accessible for non-technical users while offering advanced settings for those who want deeper control. The documentation provides step-by-step guidance for setting up API keys, chats, and agents.

Chats are where you send messages and receive AI responses. Agents are specialized configurations with custom instructions, files, and model settings. Files are documents or images you upload for context. Each plays a unique role in how you communicate with AI.

MultitaskAI is available for a one-time lifetime purchase, which includes 5 device activations. There are no recurring monthly or annual fees, making it a cost-effective way to chat with the top AI models.

No. You only need to provide your own API keys from providers like OpenAI or Anthropic, which may charge usage fees. MultitaskAI itself requires no further subscription after purchasing a lifetime license.

Yes, you will need to provide your own API keys for models like OpenAI's GPT, Anthropic's Claude, and others. MultitaskAI simply sends your requests to these model providers, and no other subscriptions or fees are required from us.

Yes. You can try the app with 100% functionality in demo mode at app.multitaskai.com. Your data will reset when you restart, but it lets you fully explore all features before buying a license.

Your license includes 5 device activations by default. If you max out your activations, you can free up a slot by deactivating an existing device or purchase an additional license for 5 more activations.

You can manage or remove device activations from the dashboard at multitaskai.com/account. After signing in, go to 'License' where you can review active devices and remove any that you no longer need.

Yes, treat your license key like a password. Store it securely and never share it publicly to prevent unauthorized usage of your activations.

Your sessions and conversation data are stored locally in your browser. We do not store or process your chats on external servers, ensuring that your data remains private.

Yes. MultitaskAI supports Progressive Web App (PWA) installation so you can use key features, like viewing your past locally stored data, even without an active internet connection.

Yes. As a fully browser-based application hosted at app.multitaskai.com, MultitaskAI updates automatically. Whenever we release new features or improvements, simply refresh your browser to get the latest version.

With your purchase, you gain the option to self-host the application for added privacy and control. Simply download the source files from the official website, follow the installation instructions in our documentation, and deploy the app on your own server or preferred hosting platform.

If you forget your password, click the 'Reset Password' link on the Login screen at multitaskai.com/login. You'll receive a reset link via email to choose a new password.

If you have questions or need help, please email hi@multitaskai.com. Our team will gladly assist you. We do not currently offer a forum or community board.

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