This chapter explores the emerging paradigm of collaborative and co-creative communication between humans and AI systems. It begins by redefining AI as a cognitive partner in ideation and meaning-making, capable of contributing novel perspectives through dialogic engagement. The chapter introduces the AI collaborative partner model, which supports reciprocity, contextual sensitivity, and adaptive roles. It addresses the dynamic process of aligning goals and intentions, highlighting the need for interpretive reasoning and shared stewardship. The negotiation of friction is reframed as a productive force, enabling deeper mutual understanding and creative insight. Through the lens of fluid role transitions—AI as teacher, learner, and peer—the chapter underscores the evolving relational dynamics of AI-human co-creation. It concludes with an examination of hybrid communication styles and the development of shared agency, envisioning a future where AI and humans grow together through symbiotic communication, trust, and transformation.