1. RFQ, RFP, and RFI in Construction: Differences Explained:
The RFQ is designed to demand information about what a solution will cost, as per each supplier. An RFI is more general, simple, and relaxed, aiming to create a warm atmosphere leading on to a relationship between procurer and vendor. The RFP is more formal and serious, demanding actionable information from suppliers (kissflow, 2025).