This study explores the phenomenon of open innovation in high tech Korean SMEs. Which mechanisms do lead SMEs to choose a specific model of innovation? The paper includes a literature review as well as an empirical study of internationalized SMEs, based on in-depth interviews, observations, and documents. Open innovation does not always constitute the best model of innovation solution for all SME. This paper proposes a model for assessing the fit between a company and the various models of innovation, and a strategic guide to design an innovation model for successful collaboration with the best partners. REVIEW OF LITERATURE Globalization Globalization is a broad concept used to describe a variety of phenomenon that reflect the developed economic, social, and political interdependence of countries (Nik Ab Halim & Zain, 2011). Despite growing awareness, there is no generally accepted definition and no standard measurement of globalization (Asmussen, Pedersen, & Petersen, 2007). We define in this paper globalization as the efficient movement of goods, services, capital, people, and ideas across national borders (Little & Green, 2009). Globalization translates into a large range of business modalities for organizations that share a common trait: something or someone is crossing borders. A classic typology is such modalities includes exportation and importation; foreign direct investment; international partnerships; international licensing and franchising; and contract-based operations (Hill & Jones, 2012; Archibugi & Iammarino, 2002). Organizational size appears to differentiate the benefit of globalization for companies: globalization tends to benefit large firms compared to SMEs because scale advantages allow large firms to create new opportunities and to benefit from a larger amount of resources to optimize their operations. As a