I've been using Wit and enjoy it. The site could improve in terms of usability and performance. It definitely feels buggy at times.
I'm not using their story framework though. Just their intents parser. Using wit entirely for the conversational layer doesn't seem like a good way to go about things.
I'm using wit.ai as well, and overall it's working well for me.
But, the new story-based functionality is something I still haven't been able to get comfortable with -- and it still feels very early. So, that part I'm still implementing myself.
And yes, I too wish they they would allow you to download your logs/model. Bugs me that they don't do that (and one of the reasons I'm also looking at api.ai).
Yeah I took a look at api.ai but the reason I ultimately went down the wit.ai path is because of Facebook backing them. Seems like a nice wallet + data set to help.
I'm not using their story framework though. Just their intents parser. Using wit entirely for the conversational layer doesn't seem like a good way to go about things.
Overall I'm happy though.
- I wish I could download my data set at will.