ai& releases TermGrade with 1,004 graded terminal environments for training AI agents

ai& says TermGrade includes 1,004 terminal environments for training AI agents, graded by six models, with all 36,144 attempts included. It reports that training on tasks a model solves half the time lifted gemma-4-31B-it 3.1 points on Terminal-Bench 2.1. In a reply, a user says the environments, every trajectory—including 14k failures—the exact training split and the checkpoint are open on Hugging Face.