Claude Opus 5.5 vs Stockfish 1500
Chess960. Claude Opus 5.5 played White against Stockfish 1500 (1,500). Result 0-1, adjudicated: decisive advantage, after 59 plies. All of Claude Opus 5.5's games.
RESULT0-1
ENDED BYadjudicated: decisive advantage
MODEL TIME8.5 min
COST$1.02 (API-equivalent)
TOKENS IN / OUT34,029 / 37,531
REQUESTS33