Compare AI tools

	Grammarly A	Cursor TypeScript SDK A	Skye A	GitHub Copilot B
Tagline	Grammar check + tone + AI drafting, everywhere you type.	Wire Cursor's full coding-agent runtime into your own apps, scripts, and CI/CD pipelines with a few lines of TypeScript.	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.
Category	Writing	Dev Platform	Agents	Coding
Pricing	Free + $12-$15/mo Premium + team plans	Token-based; requires Cursor plan (Pro from $20/mo). Composer 2 at $0.50/$2.50 per M tokens (in/out); fast variant $1.50/$7.50 per M tokens.	Waitlist / Beta (pricing not yet disclosed)	Free (limited) + $10/mo Pro + $19/mo Business
Best for	Non-native English writers, business email, anyone who types a lot.	Engineering teams who already use Cursor and want to embed its coding-agent runtime into CI/CD pipelines, backend services, or internal developer tools without building agent infrastructure from scratch.	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.
Strengths	Works in every browser/app Now has generative AI (GrammarlyGO) Tone detection + suggestions	Same runtime as the Cursor IDE — no reinventing sandboxing, context management, or model routing Three execution modes: local machine, Cursor cloud VMs (isolated per-agent), or self-hosted workers for air-gapped teams Cloud agents are durable — keep running even if your laptop sleeps or connection drops, and can open PRs automatically on finish Full harness included: codebase indexing, MCP servers, skills, hooks, and multi-agent delegation via subagents Visible in Cursor's Agents Window — programmatic runs can be inspected or taken over manually in the IDE	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
Weaknesses	Can feel naggy Premium features gate basics Privacy concerns (reads your writing)	TypeScript-only SDK — no official Python or other language bindings at launch Public beta status means API surface and pricing can shift without much notice (Cursor has a track record of surprise pricing changes) Cloud VM costs layer on top of subscription credits, making cost estimation non-trivial at scale	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
Kai's verdict	A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.	If your team is already in the Cursor ecosystem, this is a genuinely compelling way to turn ad-hoc AI coding sessions into durable, automated workflows — but the beta label and Cursor's history with opaque pricing mean you'll want to set hard budget guardrails before going to production. (Verdict pending Phi's full review.)	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.
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