When comparing Codio vs Orion, the Slant community recommends Codio for most people. In the question“What are the best cloud IDEs?” Codio is ranked 12th while Orion is ranked 30th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Designed to teach programming
Pro Fully functional terminal
Codio gives you full access to a terminal, with all the ubuntu commands. You can use the terminal within the page, or you can access by SSH from your computer.
Pro Emmet
Emmet support for a whole range of features that really boost productivity when working with HTML and CSS. These features include expanding abbreviations into full HTML or CSS as well as some very powerful keyboard shortcuts.
Pro BitBucket integration
It's possible to launch Codio from within BitBucket's repo by adding Codio integration as an add-on.
Pro Server-side environment
Pro Node.js included by default.
Pro Monokai
Includes Monokai style theme by Luigi Maselli.
Pro Plug-ins including Pixlr image editor
Pro Built for front-end development
Orion was developed specifically for front-end development, making it a strong option for front-end developers thanks to features like syntax validation with ESLint and HTML content assist.
Pro Eclipse-like UI
Orion is developed by Eclipse and shares a lot in common with the Eclipse IDE UI.
Cons
Con Private projects aren't free
The pricing plan looks too restrictive comparing to other Coding Cloud solutions.
Con No runtime environment
Does mostly do file editing, but without good project support, web terminal, build/runtime environment.
Con JavaScript only
Orion currently only supports JavaScript.