Krafton: Krafton integrated an on-device small language model into its life simulation game inZOI to power 'Smart Zoi' characters — AI-driven non-player characters that form their own thoughts, adjust their behavior based on experiences, and interact with players and each other in lifelike ways. The feature was included as an experimental option at inZOI's early access launch in March 2025. | AI Trace
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Krafton integrated an on-devicesmall language model into its life simulation game inZOI to power 'Smart Zoi' characters — AI-driven non-player characters that form their own thoughts, adjust their behavior based on experiences, and interact with players and each other in lifelike ways. The feature was included as an experimental option at inZOI's early access launch in March 2025.
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Krafton partnered with NVIDIA to build 'Smart Zoi' using NVIDIA ACE technology and an on-deviceSmall Language Model (SLM). Unlike traditional rule-basedNPCs with scripted behavior, Smart Zois process personality traits, situational context, and accumulated life experiences to generate dynamic decisions. The system runs entirely on the player's local device (no cloud connection required), supporting data privacy and low latency. Players can optionally enable this experimental feature.
