JapanHealthcare and life sciences2023 – ongoing

Daiichi Sankyo

In-house generative AI system DS-GAI

Daiichi Sankyo launches in-house generative AI one month after project start; over 80% of survey respondents report gains

WorkingVendor's case studyVendor ↗

Problem

The Japanese drugmaker wanted employees to use generative AI safely, with a release targeted for September 2023.

Approach

Daiichi Sankyo worked with Avanade Japan and launched DS-GAI to all employees on September 1, 2023, without a proof-of-concept stage. GPT-4, document upload, image generation and a Code Interpreter function were added through February 2024.

Results

Over 80%Survey respondents saying it improved their productivity and accuracyVendor's case study[1]

About 600Employees using the system every dayVendor's case study[1]

Takeaway

More than half of group employees have used it at least once, and about 600 use it daily.

Sources

Daiichi Sankyo customer story
Microsoft2025Vendor publication

Source summaries

[1]Microsoft2025

Daiichi Sankyo built DS-GAI in one month and later added features. More than 80% of survey respondents reported gains in productivity and accuracy, and about 600 employees used it daily.

Full details are in the original sources.

Added 25 Oct 2026 · Updated 25 Oct 2026