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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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OpenAI Voice / Realtime
S
DALL-E 3
B
Claude Code
S
Luma Dream Machine
A
TaglineChatGPT's voice + the Realtime API for developers.OpenAI's image model. Built into ChatGPT Plus.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Smooth, cinematic motion. Image-to-video specialist.
CategoryVoiceImageCodingVideo
PricingVoice included with ChatGPT Plus; Realtime API by usageIncluded with ChatGPT Plus $20/moPart of Claude Pro/Max/Team plansFree + $10-$500/mo
Best forVoice chat users, developers building voice agents on OpenAI.ChatGPT Plus users who want images without paying extra.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Photographers animating stills, cinematic b-roll.
Strengths
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • 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
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • 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 conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.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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