Compare AI tools

	GitHub Copilot B	Grammarly A	Skye A	DeepSeek S
Tagline	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.	Grammar check + tone + AI drafting, everywhere you type.	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.	Chinese open-weight powerhouse. Crazy cheap, genuinely smart.
Category	Coding	Writing	Agents	Chatbots
Pricing	Free (limited) + $10/mo Pro + $19/mo Business	Free + $12-$15/mo Premium + team plans	Waitlist / Beta (pricing not yet disclosed)	Free web + ultra-cheap API (~$0.14/M input tokens)
Best for	Teams with GitHub already. Devs who don't want to change IDEs.	Non-native English writers, business email, anyone who types a lot.	iPhone power users who are frustrated that Siri is still reactive and want their home screen to actually anticipate their day.	Developers + cost-conscious builders. Anyone fine with self-hosting.
Strengths	Great enterprise story Works in your existing IDE Chat + autocomplete	Works in every browser/app Now has generative AI (GrammarlyGO) Tone detection + suggestions	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	Open weights you can self-host Strong reasoning + math Near-free API pricing DeepSeek-V3 / R1 are serious models
Weaknesses	Less agentic than Cursor/Claude Code Model quality varies	Can feel naggy Premium features gate basics Privacy concerns (reads your writing)	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	Data goes to servers in China — privacy concerns for business use Chinese policy filters English polish trails Western models
Kai's verdict	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.	A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.	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.)	S-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.
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