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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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GitHub Copilot
B
OpenAI Voice / Realtime
S
Cursor
S
Luma Dream Machine
A
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.ChatGPT's voice + the Realtime API for developers.VS Code fork that made AI coding actually work.Smooth, cinematic motion. Image-to-video specialist.
Categorycodingvoicecodingvideo
PricingFree (limited) + $10/mo Pro + $19/mo BusinessVoice included with ChatGPT Plus; Realtime API by usageFree + $20/mo Pro + $40/mo BusinessFree + $10-$500/mo
Best forTeams with GitHub already. Devs who don't want to change IDEs.Voice chat users, developers building voice agents on OpenAI.Developers. Non-developers who want to ship working code.Photographers animating stills, cinematic b-roll.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Prompt fidelity below Runway
  • Queue times on free tier
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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