The company develops artificial intelligence (AI) chips used in self-driving cars and advanced driver assistance systems (ADAS).

[2][3][4] BST backers have included Tencent, Xiaomi, Geely, NIO, SK Group and Northern Light Venture Capital.

[5] At the end of March 2023, the Hong Kong Stock Exchange (HKSE) introduced the Chapter 18C rule which allowed early stage specialist technology companies with little to no revenue to list.

According to its prospectus, BST had a market share of 2.2% which made it a small player compared to lager peers such as Mobileye, Nvidia, Texas Instruments and Horizon Robotics.

[2][3][4] Black Sesame offers products enabling autonomous driving, such as SoCs and algorithm-based solutions.