Compare AI tools

	Lex A	Google Veo A	ChatGPT Operator B	Replicate S
Tagline	Google Docs with an AI collaborator baked in.	Google's video model. Baked into Gemini + YouTube Shorts.	OpenAI's browser agent. Clicks and types on websites for you.	Run any open-source AI model with an API call.
Category	Writing	Video	Agents	Dev Platform
Pricing	Free + $12/mo	Included with Gemini Advanced $20/mo + YouTube creator tools	Included with ChatGPT Pro $200/mo	Pay per second of compute
Best for	Essays, long-form drafts, thinking on the page.	Gemini Advanced users, YouTube Shorts creators.	Power users willing to pay $200/mo for a browser bot.	Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths	Clean writing UX — distraction-free +++ prompt triggers AI help Collaboration + AI feedback together	Included with Gemini Advanced YouTube Shorts native integration Strong prompt understanding	Actually uses websites — fills forms, clicks, checks out Built into ChatGPT Good for repetitive web tasks	Tens of thousands of models (image, video, audio, LLMs) One-line API for any model Cog framework for custom model deploy
Weaknesses	Less feature-rich than Google Docs AI ceiling below dedicated tools	Still catching up on quality vs Kling/Runway Less control than pros need	Slow vs doing it yourself Breaks on complex auth flows $200/mo gate	Cold starts on less-popular models Pricing gets real at scale
Kai's verdict	A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.	A-tier if you already pay Gemini. B-tier standalone.	B-tier. Still early. Manus is more flexible for less money.	S-tier for open-source model APIs. The default in this space.
Link	Open →	Open →	Open →	Open →