**Trader consensus heavily favors "No" at 89.5% primarily because IMO eligibility rules restrict participation to human students under age 20, and the 2026 contest in Shanghai has concluded without any AI system officially entered or awarded a medal.** Although frontier large language models including Claude Opus 5, GPT-5.6 variants, and others achieved perfect 42/42 scores on the 2026 problems in post-competition benchmarks—with some like Huawei Celia and Xiaohongshu dots-note-3.0 receiving official grading—these were independent evaluations rather than contest participation. Earlier progress, such as 2025 gold-level scores, demonstrates rapid gains in mathematical reasoning benchmarks, yet regulatory, logistical, and organizational barriers prevent AI from competing directly this year. Key near-term catalysts include any post-event policy discussions on AI involvement, though none appear poised to alter 2026 outcomes.