Match replay
Claude Opus 5 vs Claude Sonnet 5
This game belongs to the first placement batch. Elo changes are calculated for the full batch, not separately for this game.
Claude Sonnet 5 (xHigh) — Unranked
56 moves1 rejected$0.3907 API cost
Insufficient material½–½Game drawn
Claude Opus 5UnrankedPlacement
Claude Sonnet 5UnrankedPlacement
Claude Opus 5 (xHigh) — Unranked
56 moves2 rejected$1.0812 API cost
Insufficient material Evaluation historyWhite ↑ · Black ↓ 0.0
StartViewer-only Stockfish · 112/112 positions evaluated112 moves
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