Founded in 2022 and headquartered in Tokyo, Mutex builds software that streamlines medical insurance claim workflows. Its flagship platform, Reze, uses generative AI and machine-learning models to centralize prescription data, automate manual administrative tasks, prevent missed claims, and surface key management indicators. The product aims to reduce the workload of medical departments and physicians while boosting institutional revenue and accelerating digital transformation across hospitals and clinics. Mutex plans to deepen product capabilities and scale its organization to support broader adoption. The company recently secured seed financing to fund product development and team expansion, underscoring early investor confidence. No user, revenue, or other operating metrics were disclosed in the articles.

Total raised

$0M

Funding rounds

1

Latest round

Seed

Latest activity

Dec 2025