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TaglineRun any open-source AI model with an API call.Voice AI that reads + expresses emotion.The fastest AI inference in the world. Crazy low latency.
CategoryDev PlatformVoiceDev Platform
PricingPay per second of computeFree tier + pay-as-you-goFree tier + pay-as-you-go API
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Therapy apps, customer service, any voice agent where emotion matters.Developers who need sub-100ms LLM responses.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Niche use case
  • Pricing ramps fast
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier in its niche. The only one that actually gets emotion right.S-tier for speed. When latency is the product, start here.
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