Usually $11,000 + $3000 per founder. So $17,000 for two founders, $20,000 for three or more. We've also arranged for each startup to get $80k in convertible notes automatically. The goal is usually to give you enough money to build an impressive prototype or version 1, which you can then use to get further funding.
Currently it doesn't seem to be that low ( "we invest a small amount of money ($14-20k + an $80k note") from http://ycombinator.com/ , but yeah, it's not a huge amount of cash. It is very early stage startups though, remember.
How much do you invest?
Usually $11,000 + $3000 per founder. So $17,000 for two founders, $20,000 for three or more. We've also arranged for each startup to get $80k in convertible notes automatically. The goal is usually to give you enough money to build an impressive prototype or version 1, which you can then use to get further funding.
http://ycombinator.com/faq.html