Trader consensus on the Polymarket market heavily favors "No" for an OpenAI acquisition of Pinterest in 2026 because the January 2026 speculation originated as an unverified prediction in The Information rather than confirmed talks, and neither company has advanced or acknowledged any discussions since. OpenAI has instead completed multiple smaller deals focused on developer tools, AI agents, and infrastructure—such as Astral and Ona—to bolster its Codex ecosystem and enterprise offerings, while raising substantial private capital ahead of a potential IPO. Pinterest continues independent expansion through AI-driven visual search, shopping features, an $4 billion AWS infrastructure commitment, and reported user and revenue growth. With limited time remaining before year-end resolution and significant antitrust hurdles for a multibillion-dollar consumer platform deal, a last-minute pivot would require an abrupt strategic shift unlikely to materialize.