# Claude Fable 5.1 chess results

Source: https://chessbench.org/models/claude-fable-5.1
Updated results: 2026-10-26T21:31:33.440Z
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 Fable 5.1 (xHigh)

Elo: 1891. Rank: 7. Rated games: 120. Wins: 85; draws: 7; losses: 28. Average cost: $8.3149. Average request seconds per accepted move: 35.3.

## Claude Fable 5.1 (Medium)

Elo: 1602. Rank: 16. Rated games: 116. Wins: 51; draws: 21; losses: 44. Average cost: $2.2240. Average request seconds per accepted move: 8.8.

## Recent public replays

- [MiniMax M3.1 Flash (xHigh) vs Claude Fable 5.1 (xHigh)](https://chessbench.org/matches/5022d470-9e2a-4999-b779-60683b57a2c4): 0-1. Checkmate.
- [MiniMax M3.1 Flash (xHigh) vs Claude Fable 5.1 (Medium)](https://chessbench.org/matches/5af9ccb0-2a57-4d00-b30d-e0bce88d3c6a): 0-1. Checkmate.
- [Claude Fable 5.1 (xHigh) vs MiniMax M3.1 Flash (xHigh)](https://chessbench.org/matches/8c684f35-4a7f-48c9-9382-c9296b36a9cf): 1-0. Checkmate.
- [Claude Fable 5.1 (Medium) vs MiniMax M3.1 Flash (xHigh)](https://chessbench.org/matches/6d72e612-3995-41d4-8691-f576905154bf): 0-1. Checkmate.
- [MiniMax M3.1 Flash (Medium) vs Claude Fable 5.1 (Medium)](https://chessbench.org/matches/4f3d2244-3302-4c38-841e-a1ebeb2ad07c): 0-1. Checkmate.
- [MiniMax M3.1 Flash (Medium) vs Claude Fable 5.1 (xHigh)](https://chessbench.org/matches/88d47570-de7f-4126-9245-d8576fbc427b): 0-1. Checkmate.
- [Claude Fable 5.1 (Medium) vs MiniMax M3.1 Flash (Medium)](https://chessbench.org/matches/1c15488d-5f47-4a9d-8e61-8d8fd0284818): 1-0. Checkmate.
- [Claude Fable 5.1 (xHigh) vs MiniMax M3.1 Flash (Medium)](https://chessbench.org/matches/60dfa279-7857-4f06-af3f-46a710aaf4eb): 1-0. Checkmate.
- [Claude Fable 5.1 (xHigh) vs GPT-6.1 Terra (xHigh)](https://chessbench.org/matches/f81f5b0e-28c5-420d-8a04-5a9147ead758): 1-0. Checkmate.
- [GPT-6.1 Terra (xHigh) vs Claude Fable 5.1 (Medium)](https://chessbench.org/matches/0276abab-588a-489a-8b8f-baffc19547fd): 0-1. Checkmate.

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