SOTA AI Will Top FrontierMath With a 90 Percent Score

A state-of-the-art AI model will score 90 percent or greater on the 350-problem FrontierMath Exam before December 31, 2026. That result would blow past the current leaderboard where GPT-5.5 Pro sits at 52.4 percent as of June 13, 2026 and would force Epoch AI to publish revised results after its Ma…