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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
Leonardo.ai
A
Fireflies
A
Claude
S
TaglineRun any open-source AI model with an API call.Gamer + creator image gen with model fine-tuning built in.Sales-focused meeting AI with CRM integration.Anthropic's flagship — best reasoning + longest useful context.
CategoryDev PlatformImageMeetingsChatbots
PricingPay per second of computeFree + $12-$60/moFree + $10-$19/user/moFree + $20/mo Pro + team/enterprise
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Indie game devs, illustrators, anyone training custom style models.Sales teams, customer success, anyone running many discovery calls.Long writing, code, careful thinking, documents over 50 pages.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
  • Best-in-class writing + nuanced reasoning
  • 1M context on Opus
  • Artifacts for code/docs
  • Lowest hallucination rate in my testing
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • General output behind Midjourney
  • Can be overwhelming
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • Image generation is weak
  • No native web search on all tiers
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier for creators training custom looks. B-tier for general use.A-tier for sales teams. B-tier for solo users.S-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.
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