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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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S
DALL-E 3
B
Fireflies
A
Hume AI
A
TaglineRun any open-source AI model with an API call.OpenAI's image model. Built into ChatGPT Plus.Sales-focused meeting AI with CRM integration.Voice AI that reads + expresses emotion.
CategoryDev PlatformImageMeetingsVoice
PricingPay per second of computeIncluded with ChatGPT Plus $20/moFree + $10-$19/user/moFree tier + pay-as-you-go
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).ChatGPT Plus users who want images without paying extra.Sales teams, customer success, anyone running many discovery calls.Therapy apps, customer service, any voice agent where emotion matters.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • Niche use case
  • Pricing ramps fast
Kai's verdictS-tier for open-source model APIs. The default in this space.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.A-tier for sales teams. B-tier for solo users.A-tier in its niche. The only one that actually gets emotion right.
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