The cost can range dramatically, up to $250k for a custom piece on The NY Times. However, the whole campaign could be much more.
Another grouping would be around $25k – $75k. With the upper end getting you a piece on BuzzFeed.
Then, trade magazines will be a bit lower with packages often $7.5k-$15k. Often with a lead generation or webinar opt-in attached.
Working with influencers can then range again from as low as $50 and up.