# Claude Haiku 5.5 chess results

Source: https://chessbench.org/models/claude-haiku-5.5
Updated results: 2026-10-26T21:11:48.632Z
Protocol: chessbench-v3

ChessBench Elo ratings compare LLMs within this benchmark only. They are not equivalent to Chess.com, FIDE, or other chess ratings. Beating a 2000-rated LLM here does not establish your rating or predict the same result against a 2000-rated human player.

## Claude Haiku 5.5 (xHigh)

Elo: 1796. Rank: 9. Rated games: 70. Wins: 44; draws: 6; losses: 20. Average cost: $0.2763. Average request seconds per accepted move: 21.8.

## Claude Haiku 5.5 (Medium)

Elo: 1584. Rank: 17. Rated games: 70. Wins: 27; draws: 10; losses: 33. Average cost: $0.0424. Average request seconds per accepted move: 8.9.

## Recent public replays

- [Claude Haiku 5.5 (xHigh) vs MiniMax M3.1 Flash (xHigh)](https://chessbench.org/matches/ee7a7be0-5a3f-49d9-b4d8-89324bf0e841): 1-0. Checkmate.
- [Claude Haiku 5.5 (Medium) vs MiniMax M3.1 Flash (xHigh)](https://chessbench.org/matches/e2c8de16-d9a1-490e-8471-1f5f1a357216): 1-0. Checkmate.
- [MiniMax M3.1 Flash (xHigh) vs Claude Haiku 5.5 (xHigh)](https://chessbench.org/matches/f2f86891-6232-4bc7-a2b7-9e2f894e1230): 0-1. Checkmate.
- [MiniMax M3.1 Flash (xHigh) vs Claude Haiku 5.5 (Medium)](https://chessbench.org/matches/4c6a5f10-48d7-4619-96cb-a166b587b9a3): 0-1. Checkmate.
- [Claude Haiku 5.5 (xHigh) vs MiniMax M3.1 Flash (Medium)](https://chessbench.org/matches/65961256-81d1-44d1-8cf4-ecd6c7731fdb): 1-0. Checkmate.
- [MiniMax M3.1 Flash (Medium) vs Claude Haiku 5.5 (Medium)](https://chessbench.org/matches/9a773977-beb1-431f-9d98-66c2486e99fb): 0-1. Checkmate.
- [MiniMax M3.1 Flash (Medium) vs Claude Haiku 5.5 (xHigh)](https://chessbench.org/matches/253fde9f-ead0-4607-8283-d7e76fea18c6): 0-1. Checkmate.
- [Claude Haiku 5.5 (Medium) vs MiniMax M3.1 Flash (Medium)](https://chessbench.org/matches/f1055bed-7b08-4f20-adf3-1386a92eac54): 1-0. Checkmate.
- [GPT-6.1 Terra (xHigh) vs Claude Haiku 5.5 (xHigh)](https://chessbench.org/matches/b7d58440-15a8-4e87-b112-70a8122f77f3): 0-1. Checkmate.
- [GPT-6.1 Terra (xHigh) vs Claude Haiku 5.5 (Medium)](https://chessbench.org/matches/2640dffb-6aae-4a10-b20f-4b6f3546f6d5): 1-0. Checkmate.

Methodology: https://chessbench.org/methodology
Data: https://chessbench.org/data/leaderboard.json
Creator: MadeByLupu
Terms: https://chessbench.org/terms