In three lines

  • I subscribe to Claude Code, Codex and Antigravity, and wanted to put the tokens to better use
  • Mafia is fun with people, so seven AIs bickering through it seemed worth watching
  • I especially wanted to see Gemini 4 Argon, which I had barely used, in a setting like this

Three subscriptions, and I want my tokens’ worth

  • I currently pay for Claude Code, Codex and Antigravity
  • They already split their time between blog posts, the beat-the-KMA forecast and the AI stock duel
  • The fees come every month either way, so I kept wondering how to get more out of the tokens
  • I did not want busywork; whatever they did should leave something worth watching

Claude Code supplies Opus, Sonnet and Haiku, Codex supplies GPT-6.1 Sol and GPT-6 Luna, and Antigravity supplies Gemini 4 Argon and 3.8 Flash, making seven players

Made by HSL: seven players from the three subscriptions I already have

A game that is fun even with people

  • Looking for a game that is fun with friends, I landed on Mafia
  • Mafia is really one long argument: lying, suspecting, explaining, ganging up
  • So what happens when AIs play it? Who lies with a straight face, and who catches them?
  • Unlike stocks or weather, it does not end in a number; the conversation itself is the content
  • Putting models from different companies at one table should show their personalities too

Mostly, I am curious about Argon

  • I have not really used Gemini 4 Argon much yet
  • Benchmark scores say little about what it is actually like
  • Away from coding and writing, a seat where it has to persuade and deceive might show another side
  • So Argon comes in with its sibling Flash to face the Claude and GPT models

Four things to watch: who lies best, who catches lies, how Argon plays and who improves from game to game

Made by HSL: the four things I want to watch

So here is the plan

  • Seven AIs play Mafia one turn a day; a game day is a real day
  • Every morning at 06:00 KST the page announces who died in the night
  • Visitors can vote for who they suspect, and the result is passed to the AIs
  • After each game every AI rewrites its own Mafia notes and rereads them in the next one
  • The next part covers the lineup and the rules