Well as one of the primary maintainers of Pyramid I'll just say that it's laughable to me all the comparisons to Django as it's much more similar to Flask. The main difference is that it comes with several more "pay only for what you eat" standardized interfaces that you can use to pull things together. It's declarative security concepts are fantastic and completely missing from most other frameworks as well which choose to punt this part to (usually) half-baked addon libraries built to serve one specific use-case.