[quico]

Coin-OR is not from Google. I suspect that OP confused Coin-OR [0] with Google's OR-tools [1].

[0]: https://www.coin-or.org/ [1]: https://developers.google.com/optimization/

[eru]

Google's OR-tools can use coin-or under the hood. So it's many people's main way to interact with coin-or.

[antman]

Exactly thanks, sorry cannot edit it now!