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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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DeepSeek
S
TaglineRun any open-source AI model with an API call.The one that actually gets text in images right.Open-source VS Code agent. Reads + writes + runs.Chinese open-weight powerhouse. Crazy cheap, genuinely smart.
CategoryDev PlatformImageCodingChatbots
PricingPay per second of computeFree + $8/mo + $20/mo + $60/moFree (open source) + your API costsFree web + ultra-cheap API (~$0.14/M input tokens)
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Anything with text — posters, ads, album covers, slide decks.VS Code users who want agentic coding without changing IDEs.Developers + cost-conscious builders. Anyone fine with self-hosting.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier for text-in-image. Use this for posters, Midjourney for art.A-tier. Best free agentic option in VS Code. Use with Claude for best results.S-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.
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