Mastermind
Frontier
Mastermind multi-turn game environment for Verifiers
- Domain
- rl-env
- License
- unknown
- Published
- Mar 2026
Cite
Notes
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Top score 1.62 by gpt-oss-120b - 13 models reporting (9 frontier)
Score history
13Top models
13
Related tools
1Implementations, trainers, datasets and scaffolds linked to this eval.
FAQ
- What is Mastermind?
- Mastermind multi-turn game environment for Verifiers
- What is the current top score on Mastermind?
- The top reported score is 1.62 by gpt-oss-120b, across 13 models reporting (9 from frontier labs).
- How can a model improve its Mastermind score?
- Tools linked to Mastermind on Sophon include Mastermind RL Env (Prime Community) - RL environments, datasets, and scaffolds that target this eval.
- What license is Mastermind under?
- Mastermind is available under unknown.