"Do they make commercial applications?" is the question.
The paradigm here is "Does method X get better answers than method Y?" as opposed to "Will we embarass ourselves if we put method Z into production?"
I have tried products from Amazon, IBM, Google and other companies and the one thing they have in common is they've never passed an acceptance test for me.
Language translation is a particular bad example of something where a "Clever Hans" effect can happen, where the reader's desire and capability for closure will fill in for mistakes the system makes and make it look like it performs better than it really does.
OpenCalais is pretty good in the financial domain. http://www.opencalais.com/opencalais-demo/
IBM isn’t great. Don’t know about Amazon.