I wrote up a comparison of the two here: https://blog.zappa.io/posts/comparison-zappa-verus-chalice https://blog.zappa.io/posts/comparison-zappa-verus-chalice

I wrote up a comparison of the two here: https://blog.zappa.io/posts/comparison-zappa-verus-chalice https://blog.zappa.io/posts/comparison-zappa-verus-chalice Zappa has even more features now. Basically, you can't even build real server-less apps with Chalice, plus Zappa has support for tons of other magic features.