South KoreaFinance and insurance2022 – ongoingWoori Bank
WooriGPT employee knowledge assistant
Woori Financial reported at least 8,000 employees using WooriGPT each month
Problem
Bank employees needed access to business knowledge while preparing reports and handling customer questions.
Approach
Woori Bank developed WooriGPT using an LLM with retrieval-augmented generation. Business teams supplied knowledge and evaluated answer quality. Woori Financial's AI strategy head reported monthly employee use in December 2025.
Results
Takeaway
Business teams participated in maintaining answer quality. The disclosed usage count did not quantify productivity gains.
Categories
- Size
- Large enterprise
- Industry
- Finance and insurance
- Business function
- Internal work and knowledge management
- Innovation type
- Process innovation
- AI technology
- Generative AIConversational and voice AI
- Adoption
- Built in-house
- Evidence
- Company's own claim
Sources
Source summaries
Electronic Times reported the group AI strategy head's account of WooriGPT. He described business-team participation in knowledge provision and evaluation, and reported at least 8,000 monthly employee users.
Pulse reported that development began in 2022 and described the LLM and retrieval-based architecture. Its announced December 2024 launch was prospective at publication.
Full details are in the original sources.