StepFun Enters Hardware with 'Agent-Native' Phone, Distinct from AI Phones

StepFun, the Chinese AI company behind the Step-2 large language model, has officially entered the hardware space with the announcement of its own-brand smartphone. Crucially, the company positions the device as "agent-native" rather than simply an "AI phone" — a distinction that goes beyond marketing terminology.

According to reports from NetEase Tech, StepFun emphasizes that the phone will deeply integrate agent capabilities at the operating system level, making AI a native component of the system rather than an add-on feature running at the application layer. This represents a fundamentally different approach from current mainstream manufacturers, who embed AI assistants into existing mobile OS architectures.

StepFun was previously known primarily as a model provider, competing in China's LLM arena with its Step-2 model. The move into smartphone hardware marks a significant strategic shift from pure software services toward an integrated hardware-software model. Industry observers have long speculated that "AI-native" devices would become the next terminal form factor in the era of large models, and StepFun's choice is a concrete realization of that trend.

From a product perspective, "agent-native" implies that users could receive continuous agent services at the system level — including cross-app task orchestration, proactive information delivery, and personalized interactions based on long-term memory. If realized, this could challenge the current app-centric paradigm of smartphone usage.

However, smartphone hardware is a capital-intensive and supply-chain-heavy business. As an AI company entering this domain, StepFun will face stiff competition from established players including Huawei, Xiaomi, OPPO, and vivo. Specific product specifications, launch timelines, and pricing strategies have not yet been disclosed.

The news also reflects a broader shift in China's AI industry from "model competition" to "application deployment." More AI companies are moving beyond offering model APIs to building end-user devices directly, seeking to capture the hardware gateway in the AI-native era.

Key questions going forward include whether StepFun's first agent-native phone can truly deliver on its agent vision, and whether it can find a differentiated user base within the existing smartphone market landscape. The product's launch window and hardware partners will be critical next signals to watch.