Compare AI tools

	Lex A	NotebookLM S	Figma AI A	HeyGen S
Tagline	Google Docs with an AI collaborator baked in.	Google's research notebook. Turns your docs into a podcast.	AI features baked into the design tool you already use.	AI avatar videos. Record once, speak any language.
Category	Writing	Research	Design	Video
Pricing	Free + $12/mo	Free	Included with Figma plans	Free + $24-$65/mo
Best for	Essays, long-form drafts, thinking on the page.	Students, researchers, anyone with a stack of PDFs or a topic to learn.	Designers already on Figma.	Course creators, multilingual marketers, anyone scaling video content.
Strengths	Clean writing UX — distraction-free +++ prompt triggers AI help Collaboration + AI feedback together	Upload anything, ask questions, get cited answers Audio Overview turns docs into a 10-min podcast Great for studying	First drafts with Make Designs Rename/rearrange layers automatically Natural language asset search	Clone your face + voice in 2 minutes Instant translation into 40+ languages with lip sync Avatars look less uncanny than competitors
Weaknesses	Less feature-rich than Google Docs AI ceiling below dedicated tools	Google-only Can be slow on large corpora	Features vary by plan + region Still rolling out	Pricey for serious volume Long shots still feel off Ethics — easy to misuse
Kai's verdict	A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.	S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.	A-tier. No reason not to use it if you're on Figma. Not worth switching for.	S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.
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