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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
Google Veo
A
Claude Code
S
Sora
A
TaglineChatGPT's voice + the Realtime API for developers.Google's video model. Baked into Gemini + YouTube Shorts.Anthropic's CLI agent. Opus-powered, operates on your repo directly.OpenAI's video model. Long clips, cinematic quality.
CategoryVoiceVideoCodingVideo
PricingVoice included with ChatGPT Plus; Realtime API by usageIncluded with Gemini Advanced $20/mo + YouTube creator toolsPart of Claude Pro/Max/Team plansIncluded with ChatGPT Plus/Pro
Best forVoice chat users, developers building voice agents on OpenAI.Gemini Advanced users, YouTube Shorts creators.Developers who want an agent, not autocomplete. Large refactors, tests, docs.ChatGPT subscribers experimenting with cinematic shots.
Strengths
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
Weaknesses
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
Kai's verdictS-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.A-tier if you already pay Gemini. B-tier standalone.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
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