When comparing Visual Studio with the Python Tools extension vs CodeRunner, the Slant community recommends CodeRunner for most people. In the question“What are the best Python IDEs or editors?” CodeRunner is ranked 26th while Visual Studio with the Python Tools extension is ranked 36th. The most important reason people chose CodeRunner is:
You can have multiple tabs open with multiple languages in at the same time and Code Runner still performs excellently. Searching through code is always instant and executing code is fast.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Autocompletion based on variable types
Has smart autocompletion based on variable types
Pro Cloud storage through VS Online
Your Visual Studio Online account gives you a place to store your code, backlog, and other project data with no servers to deploy, configure, or manage.
Pro Web based interface to track project progress
In agile development teams one really needs features such as product backlogs where you can assign features to team mates and track their progress on them. VS provides a web based interface for you to track your team's complete progress on the project.
Pro Fast and efficient
You can have multiple tabs open with multiple languages in at the same time and Code Runner still performs excellently. Searching through code is always instant and executing code is fast.
Pro Supports many different languages
Code Runner comes preinstalled with over 20 languages built in, and it's super easy to run simple programs.
Cons

Con Windows only
Visual Studio is only available on Windows, though there is now a cross-platform derivation of Visual Studio named Visual Studio Code. It is has less features and is more of a code editor than an IDE.

Con Proprietary
Visual Studio is a proprietary software.
Con Working with very very large projects
Code runner is fantastic for shorter projects, although it can handle very large projects. It stops code completion when the program gets to be several thousands of lines long.
