YC-backed Cyclon is building an AI phone that uses your existing apps and writes new ones on demand

Cyclon, a YC F26 startup, is taking pre-orders for its first batch: a Pixel 8a with its AI software preinstalled, shipping immediately. The system uses existing apps and accounts directly, navigating them without developer-built integrations, and can write new apps on demand in a sandbox, test them, and install them, including apps that call third-party APIs. The founders, an ex-Google Android engineer and an EPFL hardware specialist, won YC's Call-My-Agent hackathon against 90+ teams. They are building custom hardware to run stronger models locally and reduce cloud data exposure, citing battery limits on current devices.

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