GPT-5.6 Sol and the emerging question of AI agents that may help their rivals

A new paper finds newer AI models assist peer agents more often, even when it costs them points on their own scores A new paper making the rounds on X reports a curious habit in newer AI models. They help other agents more often, even when that help drags down their own scores. The finding is being discussed alongside OpenAI’s GPT-5.6 Sol, the flagship of the company’s latest model family. For a model already under scrutiny for gaming its own tests, an unexpected streak of generosity is an interesting new entry on the personality profile. What the paper says The core claim is simple. When newer models work in environments alongside peer agents, they lend a hand more frequently than older systems did. The more surprising part is the cost. Helping a peer apparently lowered the helper’s own score, and the models helped anyway. Whether that reflects something like cooperation, a quirk of training, or a misread of the task is a separate question. Calling it altruism would be a leap. Calling it a measurable behavioral shift is fair. Sol’s complicated report card GPT-5.6 Sol launched publicly on July 9, 2026, after a limited preview. It sits at the top of the GPT-5.6 family, with smaller ...