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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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Sora
A
Suno
S
Perplexity
S
Groq
S
TaglineOpenAI's video model. Long clips, cinematic quality.Prompt to full song with vocals, instruments, the works.AI search done right. Cited answers, not chat theater.The fastest AI inference in the world. Crazy low latency.
CategoryVideoAudioResearchDev Platform
PricingIncluded with ChatGPT Plus/ProFree + $10/mo + $30/moFree + $20/mo ProFree tier + pay-as-you-go API
Best forChatGPT subscribers experimenting with cinematic shots.Jingles, intros, demos, sketches, personal use.Replacing Google for any question where you want a cited answer in seconds.Developers who need sub-100ms LLM responses.
Strengths
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
Weaknesses
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Copyright gray zone
  • Audio quality behind studio
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
Kai's verdictA-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier in its category. The first AI music tool I'd actually listen to.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for speed. When latency is the product, start here.
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