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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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Groq
S
Replicate
S
Claude Code
S
Luma Dream Machine
A
TaglineThe fastest AI inference in the world. Crazy low latency.Run any open-source AI model with an API call.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Smooth, cinematic motion. Image-to-video specialist.
CategoryDev PlatformDev PlatformCodingVideo
PricingFree tier + pay-as-you-go APIPay per second of computePart of Claude Pro/Max/Team plansFree + $10-$500/mo
Best forDevelopers who need sub-100ms LLM responses.Developers using open-source models (Flux, SDXL, Whisper, etc).Developers who want an agent, not autocomplete. Large refactors, tests, docs.Photographers animating stills, cinematic b-roll.
Strengths
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
Weaknesses
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Prompt fidelity below Runway
  • Queue times on free tier
Kai's verdictS-tier for speed. When latency is the product, start here.S-tier for open-source model APIs. The default in this space.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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