Before deciding, reconcile each quote with the full cash-to-close estimate. Some items are part of obtaining the loan; others would arise regardless of lender. Combining everything can distort the lender comparison.
Seller motivation may explain some of the conflicting agent answers. Two visually similar listings can behave differently if one owner has a firm timeline and the other is content to wait. You cannot always know the reason, but price-cut frequency, relisting and withdrawal patterns can help...
Seventy-eight days creates an opening for a conversation, but it doesn’t establish the discount by itself. I’d pay more attention to when the last price cut happened and whether the seller has changed anything since. A newly reduced listing at day 78 may have less room than one sitting several...