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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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HeyGen
S
Groq
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Adobe Firefly
A
TaglineRun any open-source AI model with an API call.AI avatar videos. Record once, speak any language.The fastest AI inference in the world. Crazy low latency.Commercially safe image gen, deeply integrated with Photoshop.
Categorydev platformvideodev platformimage
PricingPay per second of computeFree + $24-$65/moFree tier + pay-as-you-go APIFree + included with Creative Cloud
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Course creators, multilingual marketers, anyone scaling video content.Developers who need sub-100ms LLM responses.Anyone in Creative Cloud. Brands that need copyright clarity.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Trained on licensed content — commercially safe
  • Generative Fill in Photoshop is incredible
  • Native to Adobe ecosystem
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Aesthetic ceiling below Midjourney
  • Tied to Adobe subscription
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.S-tier for speed. When latency is the product, start here.S-tier inside Photoshop (Generative Fill). B-tier standalone.
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