MM5 supports AI Tagging (by use of Azure Cognitive Services) and can be saved to an EditMultiComboValue metadata field like "Keyword".
Requirements and limitations
AI Tagging can only be used for image assets.
...
If the metadata is set to not be auto-translated, the translation also needs to be set up in the cognitive services.
Configuration
Navigate to the MM5 Config Manager, expand the "AI Config" and set your chosen EditMultiComboValue metadata field:
Usage
When configured correctly, your metadata field will show a new button beneath the field (Generate AI Keywords) which when pressed will trigger the AI Service and auto-tag the AI-tags.
...