X @Sam Altman

390x cost reduction in a year!ARC Prize (@arcprize):A year ago, we verified a preview of an unreleased version of @OpenAI o3 (High) that scored 88% on ARC-AGI-1 at est. $4.5k/taskToday, we’ve verified a new GPT-5.2 Pro (X-High) SOTA score of 90.5% at $11.64/taskThis represents a ~390X efficiency improvement in one year https://t.co/9T47FdZ5Ry ...