Bilibili Launches Proprietary AI Model "Index" for Subtitles

During the grand opening of the 2024 China International Intelligent Communication Forum today, Mr. Chen Rui, Chairman and CEO of Bilibili (“B Station”), a leading domestic video platform, unveiled a significant technological advancement: the launch of B Station’s proprietary large language model, “Index.” This model has been successfully integrated into the platform’s AI captioning feature, signifying B Station’s robust progress in facilitating seamless multi-language content dissemination.

According to Mr. Chen Rui, the self-developed large language model “Index” not only integrates B Station’s extensive video content ecosystem and user behavior data but also leverages a solid foundation of global open-source technologies. This demonstrates B Station’s relentless pursuit of open collaboration and technological innovation. Currently, “Index” supports real-time translation in nearly ten languages, including Chinese, English, Korean, Japanese, and Thai, with an accuracy rate approaching 90%, providing users with an unprecedented cross-language viewing experience.

Mr. Chen Rui emphasized that B Station maintains an open and inclusive approach, firmly believing that open-source will be the mainstream trend driving AI technology development. He stated, “In the wave of AI advancement, we are not only technology explorers but also active adopters of open-source ecosystems. The development of ‘Index’ is a key implementation of this philosophy.”

Notably, AI-related content has become one of the most captivating topics among B Station's young user base, with viewership and engagement experiencing explosive growth. Mr. Chen Rui remarked, “As a platform beloved by young people, B Station has witnessed every step of AI technology’s evolution from concept to widespread adoption. We believe that AI, as an inclusive technology, will ultimately benefit everyone, expanding the boundaries of knowledge and facilitating seamless cultural exchange.”

Additionally, Mr. Chen Rui shared the latest user metrics for B Station: by the end of this quarter, the platform's daily active users surpassed 102.3 million, reflecting a steady 6% growth compared to the same period last year. Moreover, monthly active users have increased to 336 million, further validating B Station’s exceptional capabilities in content innovation and user engagement.