The market-implied odds strongly favor zero additional Millennium Prize Problems solved by AI in 2026, reflecting trader skepticism that recent claims will hold up to rigorous scrutiny or official Clay Institute validation by year-end. OpenAI's September announcement of an AI-agent solution to the Navier-Stokes existence and smoothness problem, verified in Lean, marked a major advance yet sparked debate over whether the work built on concurrent human-AI efforts by researchers at NYU and Anthropic. Subsequent October releases of hundreds of AI-generated proofs on related open problems, including variants tied to other Millennium questions like Riemann, have not shifted consensus, as remaining problems demand deeper formal breakthroughs and product timelines for frontier models remain uncertain. Key near-term catalysts include further peer review and any additional lab announcements before December 31.