Trader consensus on Polymarket heavily favors "No" at 91% implied probability for OpenAI acquiring Pinterest in 2026, driven by the rapid fade of early-January rumors sparked by The Information's prediction, with no subsequent official statements, leaks, or regulatory filings confirming talks. OpenAI has instead pursued smaller acquisitions like TBPN for media outreach and developer tools to bolster its AI infrastructure, sidestepping a $17-18 billion visual platform amid antitrust scrutiny and Pinterest's independent growth via its own AI-enabled Pinterest Performance+ features. While synergies in image data for large language model training and visual search exist, high valuation barriers and strategic focus elsewhere solidify skepticism; a late-year surprise announcement or Microsoft-backed bid could still shift odds if regulatory hurdles clear.