Bring your own OpenAI API key

Crowd4GPT relays prompts straight from your browser to OpenAI. Your key is stored locally and only sent when you ask the assistant to respond.

Display name OpenAI API key Remember this key on this device (stored in your browser only)

You are responsible for any usage costs incurred with your key.

Crowd4GPT Arena

Multiplayer ChatGPT sessions powered by the crowd.

How it works:

Your API key stays in your browser until you ask for an AI reply.
Durable Objects keep each room in sync, while KV tracks live presence.
History is logged to D1 so anyone joining can catch up instantly.

Active rooms

Create a new room

Description (optional)

Select a room to begin

Waiting for connection…

Participants

Ask the Crowd4GPT assistant (uses your key)