Fantasy sports for prompt engineers.
Beat bizarre AI constraints, earn an instant score, and climb a live leaderboard. The sharpest prompts can win prizes—and become battle-tested tools for real teams.
Free to enter. A new challenge drops at midnight UTC.
94.6
Composite score
What to expect
Skill earns the spotlight.
Published rules
Every constraint and scoring dimension is visible before you submit.
Instant feedback
Learn from each attempt while the challenge is still live.
No invented hype
Rankings come from submitted runs—not vague popularity claims.
From prompt to podium
One challenge. Many strategies. A measurable winner.
Make an AI teach a hard idea under impossible rules.
Craft
Build the shortest prompt chain that reliably clears every constraint.
Measure
Compare logic, adherence, brevity, and token cost in real time.
Climb
Iterate before the clock expires and move up the live table.
Study the winning run
Climb the live leaderboard, then replay top token generations frame by frame to understand what worked.
Turn results into proof
Share a polished Prompt Card with your score and rank, challenge a friend by duel link, and earn skill badges.
For enterprise teams
Turn a stubborn workflow into a sponsored arena.
Source battle-tested prompt approaches for extraction, classification, hallucination resistance, and edge cases—then discuss licensing the strongest structures.
Choose your loadout
Start free. Go deeper when every token counts.
Compete in the public arena at no cost, or unlock the analysis and retries built for serious contenders.
- Daily public challenge
- Instant judge score
- Live leaderboard
- Prompt Cards and duel links
- Standard replay access
- Limited challenge retries
- Everything in Challenger
- Unlimited retries
- Advanced token analytics
- Frame-by-frame replays
- Exclusive tournaments
- Cash-prize eligibility
Sponsored Arena
Custom challenge design, qualified submissions, reporting, and prompt licensing conversations for enterprise teams.
Arena rules
Questions before your first run?
Your prompt is your playbook
The clock is already running.
Enter today’s dungeon, test your strategy, and put your prompt engineering skill on the board.