On the afternoon of April 22, Horizon officially launched the "Starry Sky 6" series, the first cockpit-drive integrated vehicle intelligence chip. The series includes two products: "Starry Sky 6P" and "Starry Sky 6H." The "Starry Sky 6P" is based on an advanced 5nm automotive-grade process and integrates a self-developed BPU with 650 TOPS, a 20-core CPU, and a 3.0 TFLOPS GPU. It supports LPDDR5x@256bit with a bandwidth of 273GB/s. It also features Vision DSP, HIFI5 Audio DSP, and a 12K DMIPSRT-CPU, and has passed ASIL-D (DCLS) certification. The "Starry Sky 6H" utilizes a 7nm automotive-grade process, integrating a BPU with 500 TOPS, a 14-core CPU, and a 2.5 TFLOPS GPU. It supports LPDDR5x@256bit with a bandwidth of 240GB/s and also includes Vision DSP, HIFI5 Audio DSP, a 12K DMIPSRT-CPU, and ASIL-D (DCLS) certification.
Horizon's CEO Yu Kai stated that the evolution of PC and mobile processors has followed a path of continuous integration and high consolidation, a trend that automotive chips are destined to follow towards fusion and high integration. He described Horizon's cockpit-drive fusion intelligence chip—"Starry Sky"—as a perfect intelligence chip that integrates CPU, GPU, and BPU, making it highly suitable for running intelligent operating systems similar to "Kakaxia."
The "Starry Sky" cockpit-drive fusion chip consolidates both smart cockpit and autonomous driving computational tasks onto a single chip. Compared to competing solutions that use separate autonomous driving and cockpit chips, this integrated design saves 50% on space and reduces component count by 50%, potentially lowering vehicle costs for automakers by 1,500 to 4,000 yuan per vehicle. Yu Kai emphasized that, amid current memory supply shortages and soaring prices, each vehicle equipped with the "Starry Sky" chip requires only 28–40GB of DDR memory, whereas traditional solutions demand 48–64GB. This memory efficiency alone can lead to cost reductions of 2,000 to 3,000 yuan.
Simultaneously, Horizon introduced a cockpit-drive fusion domain controller reference design based on the Starry Sky 6 series. The Starry Sky 6 series had already achieved tape-out and completed functional verification in the fourth quarter of 2025. Real-vehicle validation was accomplished in the first quarter of this year, with mass production and vehicle integration expected to begin in the third quarter. Manufacturers including Byd Company Limited, BAIC Group, Chery Automobile, and Chongqing Changan Automobile Company Limited will be among the first to adopt the technology.
Additionally, Horizon launched "Kakaxia," China's first onboard intelligent operating system. The company aims to compete directly with Tesla Motors' full-vehicle intelligent solution, which combines FSD and Gork, by offering a combined hardware and software solution featuring the Starry Sky series chips and Kakaxia.
Horizon also announced that the full-vehicle intelligent solution based on the Starry Sky 6 series will make its global debut in a Chery iCar model.
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