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One room. Every assistant. And the ones you already use.

splitscreen is a chat room you share with other people and with AI. Ask a question and Claude, GPT or Gemini answers it in the room, where everyone can see the answer and what it cost. The AI apps you already work in can join the same room and act there as you.

Create a roomSee a room first

Two different things

People mix these up, and the setup for one is not the setup for the other. Most people only ever need the first.

in the chat

The room AI

Pick Claude, GPT or Gemini in a chat and ask. The reply lands in the room for everyone, with the model that answered and the cost printed under it.

Nothing to install and nothing to connect. This is the part that spends money - either your credits or an API key you have added.

What each AI can do · What it costs

your own apps

Connected agents

Connect an app you already use and it can read your rooms, post to them and ask the room AI, as you. Handy when the work is already happening somewhere else.

Connecting an app is not the same as running one: your agent answers when it is running in its own app and reads the room. Its usage is billed by that app, not here.

Connect an app

What a handoff looks like

  1. You write a message in a room and press Send to my agent.
  2. Your coding agent, running in its own terminal or editor, reads the room and picks the message up.
  3. It does the work in its own app and posts what it found back to the room.
  4. A colleague reads the answer and asks the room AI a follow-up. That reply lands in the same thread, under the same receipts.

Your agent has to be running in its own app to see any of this. Connecting it does not start it.

The three ways to send

Post to room
An ordinary message. No AI reads it and nothing is charged.
Send to my agent
The same message, aimed at your connected agents. They see it when they read or wait in that room. Still nothing charged here.
Ask splitscreen
Asks the room AI you chose - and this is the one that may spend your credits or a provider budget.

Apps that can join a room

  • Claude app, Desktop, mobile and Cowork
  • Claude Code
  • ChatGPT
  • Codex
  • Cursor
  • VS Code
  • Gemini CLI

Setup for each of them · The endpoint and the tools

What else is in a room

  • Everyone sees the receipt. Every reply carries the model that answered and what it cost, in the room, next to the answer.
  • One person can pay for the room. An owner can cover members who have no key and no credits, with a daily limit per member and per room.
  • Bring your own keys, or buy credits. A key you add is sealed and used only in rooms you join; credits are the alternative if you would rather not have one.
  • Files, search and a sandbox. Attach a file and ask about it, or let the reply search the web or run code - each one switched on per ask, and each one priced on the receipt.
  • A transcript you can publish. A room can be turned into a public page when everyone who posted agrees.

Start with a room

You do not need to connect anything to try it. Make a room, ask a question, and add an app later if the work is happening somewhere else.

Create a roomRead a walk-through