BANT (Budget, Authority, Need, Timeline) is the simplest framework and works well for transactional deals under $50K. It focuses on four qualification gates that tell you whether a deal is worth pursuing. The downside is that it can feel formulaic and misses the emotional drivers behind buying decisions.
MEDDIC (Metrics, Economic Buyer, Decision Criteria, Decision Process, Identify Pain, Champion) is built for complex enterprise sales above $100K. It maps the buying committee, quantifies the business impact, and identifies your internal champion. It takes longer to execute but produces higher win rates on large deals.
SPIN (Situation, Problem, Implication, Need-Payoff) is a consultative approach that works across deal sizes. It uses a sequence of questions that start with the current situation, surface problems, explore the implications of those problems, and then guide the prospect to articulate the value of solving them. It is the most natural-sounding framework in conversation.
Challenger focuses on teaching prospects something new about their business, tailoring your message to their specific context, and taking control of the conversation. Solution Selling focuses on connecting your solution to specific, quantified pain points.