1000+ Happy customers
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
♾️ Lifetime License
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.
Queue requests
Queue up your next message while a response is being completed. Messages will be sent automatically once the current response is finished.
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 and configure model-specific settings.
Custom Settings
Set model-specific options like temperature to fine-tune responses.
Seamless Switching
Switch between AI models during chats without losing context.
Fine-Tuned Control
Use advanced settings to optimize responses for your needs.
Ready to Explore the Full AI Ecosystem?
Connect to OpenRouter and ChatGPT-compatible endpoints to instantly unlock a vast collection of AI models—from industry leaders to innovative open-source pioneers. Whether through OpenRouter or your own endpoints, one key opens up endless possibilities.
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.
Output: $0.01/1K tokens
Example cost:
100 messages (~400 tokens each)$2.87
Output: $0.015/1K tokens
Example cost:
100 messages (~400 tokens each)$4.20
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. Agents can also fetch dynamic context from external sources at runtime, providing up-to-date information for your conversations.
Visualize Concepts with Mermaid Diagrams
Create and render complex diagrams directly within your chats using Mermaid syntax. Visualize workflows, architecture, or ideas, then download them as images for easy sharing and documentation.
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.
Audio Transcription with Whisper
Convert speech to text seamlessly using OpenAI's Whisper model running locally in your browser. Transcribe audio from your microphone or upload audio files to include in your conversations.
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.
Sync Your Data Across Devices with MultitaskAI Cloud
Keep your conversations, agents, and settings in sync across all your devices. Securely back up and restore your data using MultitaskAI Cloud while maintaining complete privacy. Simply log in and enable sync in your settings.
Real-time synchronization
Complete data privacy
Cross-device access
Automatic backup
Smart Prompts with Dynamic Variables
Use flexible prompts with %variable% detection to create dynamic and adaptive conversations.
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.
Dynamic Context with MCP
Enhance your AI interactions by fetching real-time context from external sources using Model Context Providers (MCPs). Connect to tools, APIs, and databases dynamically.
Available in 29 Languages
Switch to Korean, German, Spanish, or any of the other supported languages without losing advanced features. Stay productive in the language you prefer.
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.
Reasoning Blocks
View and interact with reasoning and thinking blocks from LLM responses for deeper insights into AI decision-making.
Encrypted API Keys
Your API keys are securely encrypted in storage for enhanced security and peace of mind.
LaTeX Support
Write and render mathematical equations and scientific notation with built-in LaTeX support.
Collapsible Sidebar
Maximize your workspace with a fully collapsible sidebar for better focus and screen management.
Chat Branching
Create multiple conversation branches from any point to explore different directions and ideas.
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.
Demo
Free
Try the full MultitaskAI experience with all features unlocked. Perfect for testing before you buy.
- Full feature access
- All AI model integrations
- Split-screen multitasking
- File uploads and parsing
- Custom agents and prompts
- Data is not saved between sessions
Lifetime License
Most Popular€99€149
One-time purchase for unlimited access, lifetime updates, and complete data control.
- Everything in Free
- Data persistence across sessions
- MultitaskAI Cloud sync
- Cross-device synchronization
- 5 device activations
- Lifetime updates
- Self-hosting option
- Priority support
Loved by users worldwide
See what our community says about their MultitaskAI experience.
Finally found a ChatGPT alternative that actually respects my privacy. The split-screen feature is a game changer for comparing models.
Sarah
Been using this for months now. The fact that I only pay for what I use through my own API keys saves me so much money compared to subscriptions.
Marcus
The offline support is incredible. I can work on my AI projects even when my internet is spotty. Pure genius.
Elena
Love how I can upload files and create custom agents. Makes my workflow so much more efficient than basic chat interfaces.
David
Self-hosting this was easier than I expected. Now I have complete control over my data and conversations.
Rachel
The background processing feature lets me work on multiple conversations at once. No more waiting around for responses.
Alex
Switched from ChatGPT Plus and haven't looked back. This gives me access to all the same models with way more features.
Maya
Finally found a ChatGPT alternative that actually respects my privacy. The split-screen feature is a game changer for comparing models.
Sarah
Been using this for months now. The fact that I only pay for what I use through my own API keys saves me so much money compared to subscriptions.
Marcus
The offline support is incredible. I can work on my AI projects even when my internet is spotty. Pure genius.
Elena
Love how I can upload files and create custom agents. Makes my workflow so much more efficient than basic chat interfaces.
David
Self-hosting this was easier than I expected. Now I have complete control over my data and conversations.
Rachel
The background processing feature lets me work on multiple conversations at once. No more waiting around for responses.
Alex
Switched from ChatGPT Plus and haven't looked back. This gives me access to all the same models with way more features.
Maya
Finally found a ChatGPT alternative that actually respects my privacy. The split-screen feature is a game changer for comparing models.
Sarah
Been using this for months now. The fact that I only pay for what I use through my own API keys saves me so much money compared to subscriptions.
Marcus
The offline support is incredible. I can work on my AI projects even when my internet is spotty. Pure genius.
Elena
Love how I can upload files and create custom agents. Makes my workflow so much more efficient than basic chat interfaces.
David
Self-hosting this was easier than I expected. Now I have complete control over my data and conversations.
Rachel
The background processing feature lets me work on multiple conversations at once. No more waiting around for responses.
Alex
Switched from ChatGPT Plus and haven't looked back. This gives me access to all the same models with way more features.
Maya
Finally found a ChatGPT alternative that actually respects my privacy. The split-screen feature is a game changer for comparing models.
Sarah
Been using this for months now. The fact that I only pay for what I use through my own API keys saves me so much money compared to subscriptions.
Marcus
The offline support is incredible. I can work on my AI projects even when my internet is spotty. Pure genius.
Elena
Love how I can upload files and create custom agents. Makes my workflow so much more efficient than basic chat interfaces.
David
Self-hosting this was easier than I expected. Now I have complete control over my data and conversations.
Rachel
The background processing feature lets me work on multiple conversations at once. No more waiting around for responses.
Alex
Switched from ChatGPT Plus and haven't looked back. This gives me access to all the same models with way more features.
Maya
Switched from ChatGPT Plus and haven't looked back. This gives me access to all the same models with way more features.
Maya
The sync across devices works flawlessly. I can start a conversation on my laptop and continue on my phone seamlessly.
James
As a developer, having all my chats, files, and agents organized in one place has transformed how I work with AI.
Sofia
The lifetime license was such a smart purchase. No more monthly fees, just pure productivity.
Ryan
Queue requests feature is brilliant. I can line up my questions and let the AI work through them while I focus on other tasks.
Lisa
Having access to Claude, GPT-4, and Gemini all in one interface is exactly what I needed for my research.
Mohamed
The file parsing capabilities saved me hours of work. Just drag and drop documents and the AI understands everything.
Emma
Switched from ChatGPT Plus and haven't looked back. This gives me access to all the same models with way more features.
Maya
The sync across devices works flawlessly. I can start a conversation on my laptop and continue on my phone seamlessly.
James
As a developer, having all my chats, files, and agents organized in one place has transformed how I work with AI.
Sofia
The lifetime license was such a smart purchase. No more monthly fees, just pure productivity.
Ryan
Queue requests feature is brilliant. I can line up my questions and let the AI work through them while I focus on other tasks.
Lisa
Having access to Claude, GPT-4, and Gemini all in one interface is exactly what I needed for my research.
Mohamed
The file parsing capabilities saved me hours of work. Just drag and drop documents and the AI understands everything.
Emma
Switched from ChatGPT Plus and haven't looked back. This gives me access to all the same models with way more features.
Maya
The sync across devices works flawlessly. I can start a conversation on my laptop and continue on my phone seamlessly.
James
As a developer, having all my chats, files, and agents organized in one place has transformed how I work with AI.
Sofia
The lifetime license was such a smart purchase. No more monthly fees, just pure productivity.
Ryan
Queue requests feature is brilliant. I can line up my questions and let the AI work through them while I focus on other tasks.
Lisa
Having access to Claude, GPT-4, and Gemini all in one interface is exactly what I needed for my research.
Mohamed
The file parsing capabilities saved me hours of work. Just drag and drop documents and the AI understands everything.
Emma
Switched from ChatGPT Plus and haven't looked back. This gives me access to all the same models with way more features.
Maya
The sync across devices works flawlessly. I can start a conversation on my laptop and continue on my phone seamlessly.
James
As a developer, having all my chats, files, and agents organized in one place has transformed how I work with AI.
Sofia
The lifetime license was such a smart purchase. No more monthly fees, just pure productivity.
Ryan
Queue requests feature is brilliant. I can line up my questions and let the AI work through them while I focus on other tasks.
Lisa
Having access to Claude, GPT-4, and Gemini all in one interface is exactly what I needed for my research.
Mohamed
The file parsing capabilities saved me hours of work. Just drag and drop documents and the AI understands everything.
Emma
The file parsing capabilities saved me hours of work. Just drag and drop documents and the AI understands everything.
Emma
Dark mode, keyboard shortcuts, and the clean interface make this a joy to use daily.
Carlos
Fork conversations feature is perfect for exploring different ideas without losing my original train of thought.
Aisha
The custom agents with specific instructions have made my content creation process so much more streamlined.
Thomas
Best investment I've made for my AI workflow. The features here put other chat interfaces to shame.
Zoe
Privacy-first approach was exactly what I was looking for. My data stays mine.
Igor
The PWA works perfectly on mobile. I can access all my conversations even when I'm offline.
Priya
Support team is amazing. Quick responses and they actually listen to user feedback for improvements.
Nathan
The file parsing capabilities saved me hours of work. Just drag and drop documents and the AI understands everything.
Emma
Dark mode, keyboard shortcuts, and the clean interface make this a joy to use daily.
Carlos
Fork conversations feature is perfect for exploring different ideas without losing my original train of thought.
Aisha
The custom agents with specific instructions have made my content creation process so much more streamlined.
Thomas
Best investment I've made for my AI workflow. The features here put other chat interfaces to shame.
Zoe
Privacy-first approach was exactly what I was looking for. My data stays mine.
Igor
The PWA works perfectly on mobile. I can access all my conversations even when I'm offline.
Priya
Support team is amazing. Quick responses and they actually listen to user feedback for improvements.
Nathan
The file parsing capabilities saved me hours of work. Just drag and drop documents and the AI understands everything.
Emma
Dark mode, keyboard shortcuts, and the clean interface make this a joy to use daily.
Carlos
Fork conversations feature is perfect for exploring different ideas without losing my original train of thought.
Aisha
The custom agents with specific instructions have made my content creation process so much more streamlined.
Thomas
Best investment I've made for my AI workflow. The features here put other chat interfaces to shame.
Zoe
Privacy-first approach was exactly what I was looking for. My data stays mine.
Igor
The PWA works perfectly on mobile. I can access all my conversations even when I'm offline.
Priya
Support team is amazing. Quick responses and they actually listen to user feedback for improvements.
Nathan
The file parsing capabilities saved me hours of work. Just drag and drop documents and the AI understands everything.
Emma
Dark mode, keyboard shortcuts, and the clean interface make this a joy to use daily.
Carlos
Fork conversations feature is perfect for exploring different ideas without losing my original train of thought.
Aisha
The custom agents with specific instructions have made my content creation process so much more streamlined.
Thomas
Best investment I've made for my AI workflow. The features here put other chat interfaces to shame.
Zoe
Privacy-first approach was exactly what I was looking for. My data stays mine.
Igor
The PWA works perfectly on mobile. I can access all my conversations even when I'm offline.
Priya
Support team is amazing. Quick responses and they actually listen to user feedback for improvements.
Nathan
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:
Chrome Extension
Bring MultitaskAI wherever you browse. Our upcoming Chrome extension lets you interact with AI directly on any webpage.
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.
MCP (Model Context Provider)
Support for MCP (Model Context Providers) will be added, allowing dynamic context fetching from external sources, enabling integrations with external tools and APIs.
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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