You are quite familiar with the OK Google and Hey Google hotwords to trigger Google Assistant and Gemini. It started with Google Assistant and was retained in Gemini, despite a major technological shift. Now, Samsung devices are set to get a second hotword called Hey Plex, and it will summon Bixby-powered Perplexity.

Samsung today announced Perplexity as a second AI agent on Galaxy devices, starting with the Galaxy S26 series. The upcoming flagships will bring an upgraded Bixby that relies on Perplexity for real-time web search.

Galaxy phones offer two easy ways to launch a virtual assistant. Either you press and hold the side key or call the Hey Plex hotword. Both actions result in the same outcome; the preferred assistant will come into effect on the fly.

Users will be able to access Perplexity through a dedicated voice wake phrase, “Hey Plex,” or via quick-access controls such as pressing and holding the side button, making contextual assistance easy to reach when needed.

The new voice wake phrase is inspired by the name of the AI assistant and is easy to remember and pronounce. Calling Hey Plex will summon Bixby, and it will be ready for a web search to gather results from the internet.

Samsung says the new Bixby is deeply embedded across select apps, including Samsung Notes, Clock, Gallery, Reminder, and Calendar, as well as select third-party apps. Perplexity’s AI agent enables smoother, multi-step workflows.

Pay attention, Samsung recently rolled out the new Bixby with Perplexity AI to Galaxy S25 series. Users who are running the One UI 8.5 Beta can access the new assistant. Hey Plex is expected to be provided as well through app updates.

Hey Google will remain available on Samsung phones.

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