CHORUS is now live - how does it stack up to PubMed?

" ... Only it fails in the one thing that it claims to support, public access - at least as far as I can tell so far. And this is the big worry we’ve had all along, that a paywall publisher backed solution to the White House’s OSTP mandate would not work. For a critical overview of the concerns see Michael Eisen’s comments from one year ago when CHORUS was announced. Why isn’t CHORUS working? Let us jump right into doing a search. Here’s an example query for NIH funded research. When I ran this search today (August 1, 2014) I got only 3,775 results. Hmmm. That can’t be right, can it? Only 3,775 NIH funded articles? ..."