Apple Inc. is considering using artificial intelligence technology from Anthropic PBC or OpenAI to power a new version of Siri, sidelining its own in-house models in a potentially blockbuster move aimed at turning around its flailing AI effort.

For months, Apple has been working to get its AI-enhanced Siri back on track after delaying the overhauled assistant’s launch in March. Apple later appointed Vision Pro head Mike Rockwell as the leader of AI and Siri after CEO Tim Cook “lost confidence” in the team’s former chief, John Giannandrea.

The iPhone maker has talked with both companies about using their large language models for Siri, according to sources.