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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.
Pick tools (4 selected)
Coding
Agents
Research
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Audio
Writing
Dev Platform
Data
Marketing
Education
Perplexity
S
Lex
A
DALL-E 3
B
Groq
S
TaglineAI search done right. Cited answers, not chat theater.Google Docs with an AI collaborator baked in.OpenAI's image model. Built into ChatGPT Plus.The fastest AI inference in the world. Crazy low latency.
CategoryResearchWritingImageDev Platform
PricingFree + $20/mo ProFree + $12/moIncluded with ChatGPT Plus $20/moFree tier + pay-as-you-go API
Best forReplacing Google for any question where you want a cited answer in seconds.Essays, long-form drafts, thinking on the page.ChatGPT Plus users who want images without paying extra.Developers who need sub-100ms LLM responses.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.S-tier for speed. When latency is the product, start here.
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