DuelLab GameBench 2 DuelLab GameBench 2, a new benchmark for AI game-playing programs, evaluates agents by running them head-to-head on public board and strategy games. Claude Fable 5 leads the public standings with a score of 71.8, while the evaluator and engine implementation remain private. DuelLab GameBench 2 evaluates AI-generated game-playing programs by compiling and running them head-to-head across an evolving set of named public board and strategy games. Public standings, methodology, and release data are available; the evaluator, engine implementation, and unpublished operational artifacts remain private. Category: Games & Game Agents. Imported rows: 34. Top imported result: Claude Fable 5, rank 1, 71.8.