Compare AI tools

	Grok A	Sora A	Gemini A	NotebookLM S
Tagline	xAI's chatbot. Real-time X/Twitter data + fewer refusals.	OpenAI's video model. Long clips, cinematic quality.	Google's answer. Best integrated with Workspace + free for a lot.	Google's research notebook. Turns your docs into a podcast.
Category	Chatbots	Video	Chatbots	Research
Pricing	Free + $30/mo SuperGrok + included with X Premium	Included with ChatGPT Plus/Pro	Free + $20/mo Advanced (bundled with 2TB Drive)	Free
Best for	Breaking news, live event tracking, users already on X.	ChatGPT subscribers experimenting with cinematic shots.	Anyone already on Google, research tasks, summarizing long documents.	Students, researchers, anyone with a stack of PDFs or a topic to learn.
Strengths	Live access to X posts for real-time events Less restrictive on edgy questions Fast inference on Grok-3 and up	Up to 20-sec clips at 1080p Strong physics + scene composition Storyboard feature for longer narratives Remix existing videos	Native Google Workspace integration Very long context (1M+) Deep Research feature Free tier is generous	Upload anything, ask questions, get cited answers Audio Overview turns docs into a 10-min podcast Great for studying
Weaknesses	Writing quality trails Claude/ChatGPT Political bias debates Ecosystem is just X	Stricter content policy than competitors Hit-or-miss on complex motion Text-in-video still struggles	Writing quality trails Claude Over-refusals on edge content UI is cluttered	Google-only Can be slow on large corpora
Kai's verdict	A-tier for real-time. B-tier for everything else. Worth checking when news breaks.	A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.	A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.	S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.
Link	Open →	Open →	Open →	Open →