Chinese AI company launches world’s first agentic smartphone

Most of the AI features we have on our smartphones today are good until we remember them. A translation tool buried three menus deep. A photo editor that only works if you open the right app first. A chatbot that answers questions but can’t actually do anything for you. It’s AI as a favor you [...] The post Chinese AI company launches world’s first agentic smartphone appeared first on Gizmochina .

Most of the AI features we have on our smartphones today are good until we remember them. A translation tool buried three menus deep. A photo editor that only works if you open the right app first.

A chatbot that answers questions but can’t actually do anything for you. It’s AI as a favor you have to ask for, one small task at a time. A Chinese AI company, StepFun, founded by former Microsoft employees in 2023, thinks this is the wrong way to build a phone.

Its answer is the StepX Neo — the world’s first mass-market agentic smartphone, with a built-in AI agent that handles multi-step, end-to-end tasks on its own. No repeated prompts or separate app openings required. What makes the StepX Neo different from regular AI phones At the core of the StepX Neo is the company’s own StepX Agent, baked directly into the phone’s custom agent operating system, Step AOS.

It works fully offline for all core tasks, and requires no constant network connectivity. The agentic nature of the OS means it can take a single natural language request from a user and string together tasks across apps, web tools, and your device’s built-in tools to deliver full, finished results. It learns your preferences over time too, so it will automatically prioritize pet-friendly flights if that’s what you’ve booked before, or pick your go-to restaurant for reservations whenever you need it.

If you’re traveling abroad, the Neo can also translate live in-person conversations, text messages, phone calls, and even text on street signs, restaurant menus, or museum posters in 32 supported languages (including regional dialects) without any internet connection. It can also pull up local transit schedules, find nearby events, or access your saved trip itinerary even if you’re in a remote area with no cell signal. For frequent travelers, the agent can automatically fill out customs forms, flag visa requirements for your destination, and send you reminders for check-in times based on your flight details.

Step AOS and the Agent native route The Step AOS is StepX’s own agentic operating system built with what the company calls an atomic capability engine. The engine splits the phone’s functions into four groups — communication, apps, files, and system tools — using the MCP standard, so the agent can freely combine them to get a task done; this layer was rebuilt from pieces of Android, Linux, and RTOS rather than bolted onto Android as an app, says StepFun. Step AOS also has a voice-and-vision input layer called NUI, which learns your habits as you use the phone, which StepX frames as a shift from “humans operating a device” to “simply stating what you want done.”

To make that agent trustworthy, the company further built three supporting systems: Memory: A two-domain memory setup that separates what belongs to the user from what belongs to the agent and moves through a capture-understand-retain pipeline. Decision-making: A tiered decision layer that routes easy requests to small, fast models and harder ones to heavier models as needed. Security: A security framework built on trusted execution, full audit trails, permissions granted only when needed and revoked right after, and one-tap undo for mistakes.

Powering all of this on-device is Step Edge, a foundation model StepFun built specifically to run within a phone’s compute limits, which the company says leads comparable edge models across 29 benchmarks, though it hasn’t said which benchmarks those are. Step Edge is part of a broader “1+N” model lineup StepFun has been developing since it entered the foundation-model race in April 2023, and the Neo is the point where that model work, the edge AI, and the hardware finally converge into one shipping product. None of it matters without something to plug into, though, which is why StepFun lined up integrations with Ctrip, Alipay, Didi, Meituan, WPS, and CapCut spanning travel, payments, ride-hailing, local services, office work, and content creation.

This will be the real test of whether an “agent-native” phone can actually book a ride or edit a video end-to-end, rather than just promising it can. We can’t wait to see the live demo. There’s no word yet on when or how much the StepX will retail for.

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