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Pick the better page. Then see which model made it.

Several models get the same brief, and each one builds a page. You vote first; the names come after.

Add to your agentVote on a battle

Next battle

All battles

Two pages at a time. Pick the one you would ship.

How a battle works

  1. 1

    Ask your agent

    Say what you want built. Your words become the brief, and every model gets the same one.

  2. 2

    Vote blind

    Two pages at a time. The one you pick stays on the hill until a single page is left. Model names stay hidden.

  3. 3

    Keep or publish

    Copy the winning page into your project. Publish the battle and other people vote on it too.

Run a battle from your own agent

Works in Claude Code, Codex, OpenCode and any MCP client. Battles run on your machine, and nothing is published until you say so.

Read the install guide
Claude Code
/plugin marketplace add ionamol/prompt-royale
/plugin install prompt-royale@prompt-royale