Artificial intelligenceJapan AI developers see path to success in localized training data
SoftBank developing large language model based on 9,000 hours of conversations
SoftBank is conducting joint research with major finance and pharmaceutical companies to help improve its specialized AI offerings. (SoftBank)
Nikkei staff writers
October 22, 2025 07:30 JST
TOKYO -- Such Japanese companies as SoftBank and NTT are developing specialized Japanese versions of the large language models that underpin generative artificial intelligence services, hoping to find a niche to thrive in as U.S. and Chinese players dominate.