First up, SlideGPT is a Google Slides add-on that uses ChatGPT to generate presentations. It includes options for configuring themes, generating responses as fast as possible and supporting multiple languages. It's good for mass-producing presentations, costing $29 per month for unlimited use and offering a 14-day money-back guarantee.
Another top option is GPT Workspace, which marries ChatGPT with Google Workspace to automate tasks in Google Sheets, Docs, Slides, Gmail and Drive. It can summarize data, generate slides and improve grammar in multiple languages, and it's good for a variety of workflows to boost productivity. A free plan is available, so it's good for people at all levels.
If you're a PowerPoint user, SlideSpeak uses ChatGPT to generate presentations from text, PDFs or Word documents, and to summarize existing presentations. It has a free plan and several paid tiers to match your needs, so you can customize and expand your presentations without worrying about security.