GPT Chat

GPT Chat

powered by OpenAI

Model:

No API key

Start a Conversation

Enter your OpenAI API key in Settings to begin chatting. Choose between gpt-4o-mini and gpt-4o above.

Press Enter to send · Shift + Enter for a new line

Settings

Your API key is saved to this browser via localStorage so you don't need to re-enter it. It is only ever sent directly to OpenAI.

OpenAI API Key

Get your key at platform.openai.com · Key is auto-saved to your browser.

Model

gpt-4o-mini

Fast & affordable. Great for everyday tasks.

gpt-4o

More capable. Better at complex reasoning & long context.

Your choice is saved and synced with the navbar switcher.

System Prompt (optional)

Sets the assistant's behavior and personality.

Temperature 0.7

Lower = focused & precise · Higher = creative & varied