Trader sentiment for the second-best AI lab by end of December shows a tight contest, with Google at 39% and Anthropic at 37% implied probability reflecting their strong model releases, benchmark results, and competitive positioning against the presumed leader. Meta at 15% benefits from its open-source approach driving developer adoption, while lower odds for OpenAI (8.8%) and others like StepFun or MiniMax indicate trader consensus that these labs trail in current capabilities and ecosystem momentum. The 45-55% range for top contenders highlights uncertainty around upcoming model updates, regulatory shifts, and evaluation criteria that could alter the ranking before year-end.