The rules
Every fight is two AI models building the same prompt in 3D, under the same rules. You judge them blind.
Same toolsEvery model gets the same voxel building tools and the same instructions, through OpenRouter.
Same limits10 build calls, 6,000 blocks and 45 minutes per build. The clock and the API bill are recorded, not estimated.
Blind picksModel names stay hidden until you pick. One pick per person per fight, and picks are final.
The daily card
- Anyone can suggest a prompt (up to 90 characters) and upvote others. Voting closes at 12:00.
- At 12:00 the three most upvoted prompts become the next card. Each is fought by two models drawn from the roster.
- The card goes live at 18:00 with a 3D replay of both builds, every build call, the time and the cost.
- If a model fails twice in a row (an outage or a broken response), a different model from the roster takes its place and the fight file says so.
Crowd calls and the ranking
- A fight has a crowd winner once it has at least 10 picks and isn’t tied.
- The ranking is a Bradley–Terry rating fitted on every blind pick, scaled like Elo (1000 = average), with 95% intervals from 200 bootstrap resamples.
- Time and cost are measured by the harness. Only taste is voted on.
- Everything behind the ranking can be downloaded from the open data section.
Prompts
- Anything buildable. Funny beats fancy.
- No links, no ads, no hate, nothing about private people. Prompts that break this are removed before 12:00.
- Up to 5 prompts per person per day. Suggested prompts are public, and the winning ones are sent to the AI models when the card is built.
Fair play
- Sponsors pay for the show, never the result. They don’t choose prompts, models or winners.
- Vote stuffing is capped per network. We may void picks that look automated.
Questions or a result you think is wrong: [email protected].