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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
Ideogram
S
Perplexity
S
Luma Dream Machine
A
TaglineChinese open-weight powerhouse. Crazy cheap, genuinely smart.The one that actually gets text in images right.AI search done right. Cited answers, not chat theater.Smooth, cinematic motion. Image-to-video specialist.
CategoryChatbotsImageResearchVideo
PricingFree web + ultra-cheap API (~$0.14/M input tokens)Free + $8/mo + $20/mo + $60/moFree + $20/mo ProFree + $10-$500/mo
Best forDevelopers + cost-conscious builders. Anyone fine with self-hosting.Anything with text — posters, ads, album covers, slide decks.Replacing Google for any question where you want a cited answer in seconds.Photographers animating stills, cinematic b-roll.
Strengths
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
Weaknesses
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Prompt fidelity below Runway
  • Queue times on free tier
Kai's verdictS-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.S-tier for text-in-image. Use this for posters, Midjourney for art.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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