Free · Unlimited
MODEL GPT-5.4 Nano
How can I help you today?
Free AI chat with persistent sessions. No login required. Conversations saved locally.
🔬
Explain a concept
Break down complex topics simply
💻
Write code
Scripts, functions, debug help
✉️
Draft content
Emails, essays, and more
💡
Brainstorm ideas
Creative thinking partner
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Custom System Prompt
Use custom system prompt
Off by default. Turn on to apply your instructions below.
Fully customizable — write any instructions for how the AI should respond to you. This is saved only in your browser and only affects your own chats — it never changes anyone else's settings.
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