Ubisoft deployed an in-house AI tool called Ghostwriter, built by its La Forge R&D group, that generates draft lines of background NPC dialogue — known as 'barks' — for use by scriptwriters across its game productions. Writers review, edit, or discard the drafts rather than writing every variation from scratch.

Open-world Ubisoft games can require thousands of barks — brief phrases NPCs say during combat, while the player walks by, or in response to in-game events — making the task highly repetitive. Ghostwriter takes a writer-defined character profile and situation as input and produces pairs of draft dialogue options as output; writers select which they prefer, and the tool's machine learning model learns from those choices over time. A companion back-end platform called Ernestine lets any Ubisoft production team train their own custom machine learning model within Ghostwriter, tailored to a specific game's tone, characters, and setting. Ghostwriter is integrated directly into Ubisoft's general narrative tool called Omen. The tool was announced in March 2023 and presented at GDC 2023; Ubisoft confirmed it was being adopted across productions, though which specific shipped titles have used it has not been publicly confirmed. The announcement drew public criticism from professional game writers who argued editing AI-generated text can be more time-consuming than writing original dialogue and raised concerns about longer-term effects on writing jobs.