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The purpose of this study is to explore an alternative model for the TOEIC speaking test based on language ‘Complexity’, ‘Accuracy’ and ‘Fluency’ (CAF) by drawing comparisons between task-based CAF (Model 1) and communicative adequacy-based CAF (Model 2). Thirty-two college students participated in the study and carried out CAF based English speaking tests. The results of Pearson analysis revealed that Model 2 has a higher correlation with the TOEIC speaking scores than Model 1. Based on factor analysis, Model 2 was restructured, to create a new format, NCAF (New CAF). Under the NCAF model, ‘Complexity’ has three sub-items: sentence length, sentence elaboration, and lexical density; ‘Accuracy’ has error accuracy 1, and error accuracy 2; and ‘Fluency’ includes pause distribution, speed fluency, and pause frequency. To assess the relationship between the NCAF model and TOEIC speaking scores, a regression analysis was performed. The results showed that NCAF could account for 76.1% of the TOEIC speaking scores. Pedagogical implications and discussions are suggested.