AI · FINTECH
Internal assistant over 12M documents
Context
A 40-person compliance team slowed down by manual searches across a legacy archive. Strict requirements on accuracy, source traceability and response control.
What we did
- Hybrid retrieval pipeline (BM25 + embeddings) with re-ranker
- Eval set built with domain experts, updated every release
- Response controls and source citation as a requirement
Outcome
- -68%
- avg. time per answer
- 92%
- answers with cited source
- €0.004
- cost per answer