Compare AI tools

	GitHub Copilot B	Lex A	Grok A	Runway S
Tagline	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.	Google Docs with an AI collaborator baked in.	xAI's chatbot. Real-time X/Twitter data + fewer refusals.	The pro's AI video tool. Gen-4 is the current bar.
Category	coding	writing	chat	video
Pricing	Free (limited) + $10/mo Pro + $19/mo Business	Free + $12/mo	Free + $30/mo SuperGrok + included with X Premium	Free + $15-$95/mo
Best for	Teams with GitHub already. Devs who don't want to change IDEs.	Essays, long-form drafts, thinking on the page.	Breaking news, live event tracking, users already on X.	Marketing video, pitch decks, b-roll, creative shorts.
Strengths	Great enterprise story Works in your existing IDE Chat + autocomplete	Clean writing UX — distraction-free +++ prompt triggers AI help Collaboration + AI feedback together	Live access to X posts for real-time events Less restrictive on edgy questions Fast inference on Grok-3 and up	Most mature video workflow Character consistency via Act-One Gen-4 quality is production-grade
Weaknesses	Less agentic than Cursor/Claude Code Model quality varies	Less feature-rich than Google Docs AI ceiling below dedicated tools	Writing quality trails Claude/ChatGPT Political bias debates Ecosystem is just X	Expensive at scale Still needs post-editing
Kai's verdict	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.	A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.	A-tier for real-time. B-tier for everything else. Worth checking when news breaks.	S-tier. Market leader with reason. Start here for serious video.
Link	Open →	Open →	Open →	Open →