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Compare AI tools

Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.

Pick tools (2 selected)

Chatbots

+ Claude + ChatGPT + Gemini + Grok + DeepSeek + Qwen + Le Chat (Mistral)

Research

+ Perplexity + NotebookLM + Elicit + Genspark

Coding

+ Cursor + Claude Code + Windsurf + GitHub Copilot + Aider + Cline + Bolt.new (StackBlitz)+ Replit Agent

Image

+ Midjourney + Ideogram + Flux (Black Forest Labs)+ DALL-E 3 + Recraft + Leonardo.ai + Adobe Firefly

Video

+ Runway + Kling + Sora + Pika + Luma Dream Machine + Google Veo + HeyGen + Synthesia + Descript

Voice

+ ElevenLabs + OpenAI Voice / Realtime + Cartesia + Play.ht + Hume AI

Meetings

+ Granola + Otter.ai + Fireflies + Fathom

Design

✓ v0 + Lovable + Figma AI + Framer + Galileo AI

Productivity

+ Gamma + Raycast AI + Reflect + Taskade

Audio

+ Suno + Udio + Stable Audio

Writing

+ Sudowrite + Lex + Grammarly

Agents

+ Manus + Devin + ChatGPT Operator + Claude Agent SDK

Dev Platform

+ OpenRouter + Replicate + Groq + Hugging Face + Ollama

Data

+ Julius + Rows + Hex

Marketing

+ Jasper + Copy.ai ✓ Writesonic

Education

+ Khanmigo + Duolingo Max + MagicSchool

	v0 S	Writesonic B
Tagline	Vercel's AI-powered UI generator. Prompt to shadcn component.	SEO-first AI writer. Optimized for ranking content.
Category	Design	Marketing
Pricing	Free + $20/mo	Free + $15-$99/mo
Best for	Frontend devs, PMs prototyping UIs, anyone on Next.js.	Content marketers churning out SEO articles.
Strengths	Ships working React + Tailwind code Shadcn/ui native One-click deploy to Vercel	SEO built-in (Surfer integration) Article generator for long-form Chatsonic for research
Weaknesses	Best for shadcn stack Iterating can be fiddly	Output quality behind Claude for polish SEO automation can produce generic content
Kai's verdict	S-tier. If you're on Vercel/shadcn, this is cheating.	B-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic.
Link	Open →	Open →