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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	Hume AI A
Tagline	Grammar check + tone + AI drafting, everywhere you type.	Voice AI that reads + expresses emotion.
Category	Writing	Voice
Pricing	Free + $12-$15/mo Premium + team plans	Free tier + pay-as-you-go
Best for	Non-native English writers, business email, anyone who types a lot.	Therapy apps, customer service, any voice agent where emotion matters.
Strengths	Works in every browser/app Now has generative AI (GrammarlyGO) Tone detection + suggestions	Detects + mirrors emotional tone EVI (Empathic Voice Interface) feels different Expressive voice output
Weaknesses	Can feel naggy Premium features gate basics Privacy concerns (reads your writing)	Niche use case Pricing ramps fast
Kai's verdict	A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.	A-tier in its niche. The only one that actually gets emotion right.
Link	Open →	Open →