One-line summary
On October 13, 2026, STEPX (JiYue Terminal / the terminal brand of Chinese AI company StepFun) launched its first LLM-native agentic phone, the STEPX Neo, in Shanghai, with a Snapdragon 8-series chip and the agentic-native OS Step AOS 1.0, at an all-in price of RMB 3,999, going on first sale October 16.
Event Overview
On October 13, 2026, STEPX, the LLM-native AI terminal brand under Shanghai-based AI company StepFun, held a launch event themed "Ready Builder One" in Shanghai and released its first LLM-native agentic phone, the STEPX Neo (first edition), opening pre-orders simultaneously on JD.com, Tmall and Douyin. According to The Paper (Shanghai Observer), the phone has obtained network access permission.
Key Information
| Item | Detail |
|---|---|
| Release date | October 13, 2026 (Shanghai; pre-orders from 21:00) |
| Publisher | STEPX (terminal brand under StepFun) |
| Product | STEPX Neo first edition (first LLM-native agentic phone) |
| Hardware | Snapdragon 8-series chip, 16GB+256GB, carbon black and silicon silver |
| Software | Agentic-native OS Step AOS 1.0 + personal agent "Step Amoo" |
| All-in price | RMB 3,999 (bundled Step models + Step AOS + Step Studio + phone hardware) |
| First sale | October 16, 2026 (JD.com, Tmall, Douyin) |
| Bundled plan | STEPX Token Plan: 12 months, 10 billion tokens per month |
For builders, STEPX introduced Step Studio, an AI terminal-native IDE that lets creators generate AI apps, games, agents and skills in natural language. The system opens underlying atomic capabilities such as sensors, camera and MiniLED dot-matrix back display, and supports MCP and A2A protocols for external services. On the ecosystem side, according to the launch event, Step Amoo has partnered with nearly 100 companies or products including Alipay, Tencent, Ctrip, Didi, Jianying (CapCut), Amap and Meituan; STEPX is the first terminal maker to integrate Alipay's Vibe Pay, and the first Tencent products available include WorkBuddy, WeCom and WeRead.