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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

	Devin A	Copy.ai A
Tagline	Cognition Labs' autonomous coding engineer.	AI GTM platform. Workflows for sales + marketing ops.
Category	Agents	Marketing
Pricing	$500/mo	Free + $49-$249/mo
Best for	Engineering teams offloading tickets. Ops/platform work.	RevOps + marketing ops automating repetitive tasks.
Strengths	Works like an engineer — takes Slack tasks, opens PRs Handles multi-hour engineering work Reports back with what it did	Workflow builder for GTM automations CRM enrichment + outbound sequences Scales better than ad-hoc prompts
Weaknesses	Expensive Best for well-scoped tasks Not for solo hobbyists	Overlaps with general chatbots Workflow setup takes time
Kai's verdict	A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.	A-tier for ops automation. B-tier for simple copy (use Claude).
Link	Open →	Open →