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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

	Grammarly A	Writesonic B
Tagline	Grammar check + tone + AI drafting, everywhere you type.	SEO-first AI writer. Optimized for ranking content.
Category	Writing	Marketing
Pricing	Free + $12-$15/mo Premium + team plans	Free + $15-$99/mo
Best for	Non-native English writers, business email, anyone who types a lot.	Content marketers churning out SEO articles.
Strengths	Works in every browser/app Now has generative AI (GrammarlyGO) Tone detection + suggestions	SEO built-in (Surfer integration) Article generator for long-form Chatsonic for research
Weaknesses	Can feel naggy Premium features gate basics Privacy concerns (reads your writing)	Output quality behind Claude for polish SEO automation can produce generic content
Kai's verdict	A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.	B-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic.
Link	Open →	Open →