I've cruised by it a couple of times, but my workplace is already bought in on AWS. Code Commit has some nice integrations for CI / CD whereas I can't really make the case for Gitlab other than, "I like it more"

Positioning it more like:

- It will save us X amount of time on average

- Give us better security through IAM

- Reduces fragmentation across org software

sells a lot better to people with credit cards than, "I like it more"