The comparatively low annual payment helps illustrate how mutually beneficial the partnership is: a win-win for two FAANG (sic) companies helping each other bolster the ramparts against the high-flying AI startups that could upset their longtime advantage.

Read More The Verge: Apple can stop investing in its reputation as a frontier model company

Some of the features will launch this spring. Others, including Siri’s ability to remember past conversations it had with a customer, or proactive features that could suggest they leave home to avoid traffic ahead of an airport pickup that’s listed on their Apple calendar, are expected to be announced at the company’s annual developer conference in June.

Read More The Information: We won't see the best of Siri's Gemini-powered features until WWDC