To edit with AI in Synthesia:
Navigate to your chosen video and select a scene.
Highlight the portion of the script you wish to edit using Edit with AI. Once highlighted click on the option Edit with AI.
You will then have the option for Edit with AI to:
Re-write
Make it longer
Make it shorter
Change tone
Summarize
Once you have chosen your option, click on the right arrow of the option and you will see a preview of your script using the tool.
If you are happy with the edit, click Replace and the highlighted script will be replaced with the Edit with AI version.
Find out more about AI assistant in the Synthesia video assistant documentation.