Here is a nice study which plots the prestige (article influence score) versus the price for open access publication:
There is an obvious correlation between the price and “prestige”, but also there are journals that ask a lot for “not that much” in return. Now, using this tool
it is possible to choose the best possible journal for the money.
Ref: Zoë Corbyn, Price doesn’t always buy prestige in open access: Online comparison tool reveals which journals provide the biggest bang for the buck.
Mathematical Biology 