Shares of Alphabet climbed 4% to $207.81 in afternoon trading on Friday, putting the stock on pace to close at a record high, according to Dow Jones Market Data. Apple stock was up 1.4% to $228.10. Both companies are at crucial moments.

Apple is exploring a partnership with Google’s Gemini AI to revamp Siri, as it weighs outsourcing key AI technology to catch up in generative AI.

The company previously approached OpenAI and Anthropic for similar discussions about using their technology to power Siri, and reportedly, Google has begun training a model that could run on Apple’s servers. Apple is not expected to make a decision about whether to bring on a partner for the Siri revamp for another several weeks.