Another setback for the iPhone maker could put its AI future in jeopardy, or push it even closer to using models from OpenAI or Anthropic instead of developing its own.

Apple Inc.’s top executive in charge of artificial intelligence models is leaving for Meta Platforms Inc., another setback in the iPhone maker’s struggling AI efforts.

Ruoming Pang previously ran Apple's in-house team that trained the AI foundation models that underpin Apple Intelligence and other on-device AI features.