Tristan Buckmaster’s public allegations of pressure and disputed credit during September 2026 calls with OpenAI researcher Sébastien Bubeck over Navier-Stokes proofs form the main driver of trader sentiment on whether he files suit. The NYU mathematician and Anthropic collaborator Levent Alpöge claim their year-long AI-assisted work on fluid-dynamics problems, stored in private Codex sessions, reached OpenAI shortly before the lab deployed intensive compute on a similar route, with Bubeck allegedly pushing to drop Alpöge as co-author and issuing career warnings. OpenAI denies accessing or training on their inputs and has defended its team’s conduct while publishing its own unreleased-model result. No lawsuit has been filed as of early October, and the low market-implied odds reflect the gap between heated public dispute and the higher bar for formal litigation amid ongoing technical verification and competitive AI-lab dynamics.