About ChatRouter
ChatRouter is a free multi-LLM AI chat platform that lets you explore and interact with dozens
of AI models through the OpenRouter API.
With ChatRouter, you can instantly chat with different large language models such as Mistral,
Claude, Gemma, LLaMA, and many others - all from one simple, clean interface.
There's no login or signup required. Simply paste your free OpenRouter API key, choose any
model, and start chatting right away.
ChatRouter is built for anyone curious about AI - developers, students, or enthusiasts who want
to experiment, compare responses, and understand how different models think.
It's fast, lightweight, privacy-friendly, and completely free to use.
How It Works
- Get your free API key - Visit OpenRouter.ai and create a free account to
get your API key.
- Paste the key - Enter your API key in the ChatRouter
interface.
- Choose an AI model - Select from dozens of available LLMs.
- Start chatting instantly - Ask questions, test ideas, or
compare model outputs.
- Switch models anytime - You can change to another LLM in
one click and continue your conversation.
ChatRouter does not store your chat history. Once you refresh or close the page, everything
resets - keeping your usage private and simple.
Frequently Asked Questions
1. Is ChatRouter free to use?
Yes! ChatRouter is 100% free. You only need a free OpenRouter API key, which takes less
than a minute to generate.
2. Do I need to create an account or sign in?
No. There's no login system. You just paste your API key and start chatting immediately.
3. What models are supported?
ChatRouter supports a wide range of LLMs via OpenRouter, including Mistral, GPT-oss,
Gemma, LLaMA, and many others.
4. Are my chats stored or tracked?
No. ChatRouter is fully client-side. Once you refresh or close the tab, your chat data is
cleared automatically.
5. Can I switch between models while chatting?
Yes. You can select any available model at any time - perfect for comparing how different
AIs respond to the same prompt.
6. Why use ChatRouter instead of other chatbots?
Unlike fixed-model chatbots, ChatRouter lets you explore multiple AI personalities and
reasoning styles from one interface - giving you more control, flexibility, and learning
opportunities.
ChatRouter connects you to the best AI models via OpenRouter
Your conversations stay private and secure