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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

	Claude Agent SDK S	Flux (Black Forest Labs) A
Tagline	Anthropic's SDK for building your own agents on Claude.	Open weights + strong photorealism. The open-source answer.
Category	Agents	Image
Pricing	API usage + SDK is free	API + open weights (Schnell is Apache 2.0)
Best for	Developers building custom agents for their own company/product.	Developers + power users who want control and privacy.
Strengths	Production-grade agent primitives Built on Claude (best reasoning) Full control — build exactly what you need	Runs locally on a beefy GPU Very photoreal Best open-weight model
Weaknesses	Developer-only You build the UI	Harder to use than hosted tools Needs infra
Kai's verdict	S-tier for builders. The right primitives. What Kai is built on under the hood.	A-tier. S-tier if you self-host. The reason open-source image gen matters.
Link	Open →	Open →