Compare AI tools

	Perplexity S	Skye A	GitHub Copilot B	Grok A
Tagline	AI search done right. Cited answers, not chat theater.	An agentic iPhone home screen that replaces your static icon grid with AI widgets that proactively surface health, calendar, finance, and local context — without you having to open a single app.	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.	xAI's chatbot. Real-time X/Twitter data + fewer refusals.
Category	Research	Agents	Coding	Chatbots
Pricing	Free + $20/mo Pro	Waitlist / Beta (pricing not yet disclosed)	Free (limited) + $10/mo Pro + $19/mo Business	Free + $30/mo SuperGrok + included with X Premium
Best for	Replacing Google for any question where you want a cited answer in seconds.	iPhone power users who are frustrated that Siri is still reactive and want their home screen to actually anticipate their day.	Teams with GitHub already. Devs who don't want to change IDEs.	Breaking news, live event tracking, users already on X.
Strengths	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	Ambient, proactive intelligence delivered via native iOS widgets — no app-switching required Cross-domain context: health, calendar, email, finances, and local recommendations in one layer Works within iOS permission model (no jailbreak or sideloading), making App Store approval plausible Strong pre-launch signal: 25k+ waitlist and backing from a16z, True Ventures, and SV Angel	Great enterprise story Works in your existing IDE Chat + autocomplete	Live access to X posts for real-time events Less restrictive on edgy questions Fast inference on Grok-3 and up
Weaknesses	Not a general chatbot Answers can be shallow on complex topics	Still pre-launch / beta — zero proven track record and no public pricing yet iPhone-only by design, which immediately locks out half the smartphone market Battery drain and privacy concerns from constant ambient context scanning are real and unresolved	Less agentic than Cursor/Claude Code Model quality varies	Writing quality trails Claude/ChatGPT Political bias debates Ecosystem is just X
Kai's verdict	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.	The concept is genuinely compelling — turning the home screen into a living AI layer is a smarter bet than yet another chat interface — but this is vaporware until it ships publicly and we see whether Apple's sandbox lets it breathe. (Verdict pending Phi's full review.)	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.	A-tier for real-time. B-tier for everything else. Worth checking when news breaks.
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