What are the key differences between a pre-award and post-award debriefing?

A pre-award debriefing and a post-award debriefing differ in timing, eligibility, and the scope of information provided, though both offer valuable feedback. A pre-award debriefing is for offerors excluded from the competitive range, and it must be requested within 3 days after receiving the notice of exclusion per FAR 15.505(a). This debriefing focuses on the reasons for exclusion and generally does not disclose the ranking or technical merits of other offerors. A post-award debriefing is for unsuccessful offerors after a contract has been awarded, and you must request it within 3 days after receiving notification of the contract award per FAR 15.506(a)(1). This debriefing can provide more detailed information, including the agency's evaluation of your proposal, the overall evaluated cost or price of the successful offeror, and the rationale for the award. While both debriefings provide feedback, the post-award debriefing typically offers more comprehensive insights into the winning proposal, which can be more actionable for future bids.