Request for research: Monte Carlo Tree Search for reasoning, with PUCT

In the recent wave of research studying reasoning models, by which we means models like O1 which are able to use long streams of tokens to "think" and thereby generate better results, MCTS has been discussed a lot as a potentially useful tool. However, some papers, like the DeepSeek R1 paper , have tried MCTS without any success. I worked closely with MCTS for several years while at DeepMind, and…