This paper is a work-in-progress study that focus on the role of KM strategies in the context of sustainable smart cities. Drawing on the previous literature on smart cities and KM strategy concepts, the aim of this paper is to propose a conceptual model to examine the enablers and barriers of KM strategies of codification and personalisation for enhancing sustainable development in smart cities context. The proposed research model will be empirically applied in future study with four qualitative smart city case studies from Finland. The current study’s theoretical contribution is to advance the smart city discussion by bringing in KM strategy perspectives to enhance sustainable development among cities.