who wrote one battle after another

The work "One Battle After Another" was written by Paul Thomas Anderson. It is a 2025 American action thriller film written, directed, and produced by him, partly inspired by the 1990 novel "Vineland" by Thomas Pynchon. So, while Paul Thomas Anderson wrote the screenplay for "One Battle After Another," the story is based in part on Thomas Pynchon’s novel "Vineland".