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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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Chatbots
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Replit Agent
A
Ideogram
S
Runway
S
DeepSeek
S
TaglineReplit's AI that builds + deploys full apps on their platform.The one that actually gets text in images right.The pro's AI video tool. Gen-4 is the current bar.Chinese open-weight powerhouse. Crazy cheap, genuinely smart.
CategoryCodingImageVideoChatbots
Pricing$10-$25/mo Core/TeamsFree + $8/mo + $20/mo + $60/moFree + $15-$95/moFree web + ultra-cheap API (~$0.14/M input tokens)
Best forTeachers, students, prototypers, hackathon builders.Anything with text — posters, ads, album covers, slide decks.Marketing video, pitch decks, b-roll, creative shorts.Developers + cost-conscious builders. Anyone fine with self-hosting.
Strengths
  • Full-stack + DB + auth + deploy in one environment
  • Great for teaching/learning
  • Runs everything in-browser
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
Weaknesses
  • Locked into Replit hosting
  • Less code quality than dedicated IDEs
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Expensive at scale
  • Still needs post-editing
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
Kai's verdictA-tier. Best for teaching a kid to code in 2026.S-tier for text-in-image. Use this for posters, Midjourney for art.S-tier. Market leader with reason. Start here for serious video.S-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.
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