Compare AI tools

	Replicate S	Sudowrite S	Skye A
Tagline	Run any open-source AI model with an API call.	AI writing tool built specifically for fiction writers.	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.
Category	Dev Platform	Writing	Agents
Pricing	Pay per second of compute	$19-$59/mo	Waitlist / Beta (pricing not yet disclosed)
Best for	Developers using open-source models (Flux, SDXL, Whisper, etc).	Novelists, screenwriters, fiction short-form writers.	iPhone power users who are frustrated that Siri is still reactive and want their home screen to actually anticipate their day.
Strengths	Tens of thousands of models (image, video, audio, LLMs) One-line API for any model Cog framework for custom model deploy	Brainstorm, expand, rewrite modes designed for fiction Story Bible for character + plot tracking Understands voice + tone better than generic chatbots	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
Weaknesses	Cold starts on less-popular models Pricing gets real at scale	Pricey for casual use Fiction-only focus — not for business 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
Kai's verdict	S-tier for open-source model APIs. The default in this space.	S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.	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.)
Link	Open →	Open →	Open →