As explain in various places in angularjs (v2.0.0-rc.4) guide (e.g https://angular.io/styleguide#!#04-06) class are named "hero**.model**.ts" running `ng generate class hero` generate a `hero.ts` and a `hero.spec.ts` You can either: - append the missing '.model' or - add an additionnal generation option: `ng generate model <model-type>` OS: `Microsoft Windows [version 6.1.7601]` Versions: ``` ng --version angular-cli: 1.0.0-beta.8 node: 6.2.1 os: win32 x64 npm --version => 3.10.3 ```