WORLD AFORMAT
Identity hidden—
BLIND WORLD COMPARISON
Walk the worlds. Pick the stronger place.
Both sides receive the same case. System names stay hidden until you vote or reveal.
WORLD BFORMAT
Identity hidden—
Which world feels more complete, coherent, and worth exploring?
HUMAN PREFERENCE
World leaderboard
Ranked only from blind votes between entries in this arena. Format and openness breakdowns stay within the arena. “Open” includes downloadable weights and does not imply an OSI license.