Frontier AI can solve math problems humans can't, but they can't beat an average person at gin rummy. So, @goodstartlabs built Arkadium a tiny expert that wins 9 of 10 hands and is ~1,000x cheaper to serve. Our custom auto-research loop decided which experiments to run, trained new experts, and kept the best one. That student became an llm's coach. Despite the randomness inherent in the game, with the expert rewarding good moves along the way, the model came out of training stronger at the…