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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
Udio
A
GitHub Copilot
B
Google Veo
A
TaglineChatGPT's voice + the Realtime API for developers.Suno's main rival. Often better on instrumental nuance.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Google's video model. Baked into Gemini + YouTube Shorts.
CategoryVoiceAudioCodingVideo
PricingVoice included with ChatGPT Plus; Realtime API by usageFree + $10-$30/moFree (limited) + $10/mo Pro + $19/mo BusinessIncluded with Gemini Advanced $20/mo + YouTube creator tools
Best forVoice chat users, developers building voice agents on OpenAI.Musicians comparing AI outputs. Anyone who didn't click with Suno.Teams with GitHub already. Devs who don't want to change IDEs.Gemini Advanced users, YouTube Shorts creators.
Strengths
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
Weaknesses
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
  • Same copyright gray zone as Suno
  • Ecosystem smaller
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
Kai's verdictS-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.A-tier. Genuinely different vibe from Suno — worth trying both for a month.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier if you already pay Gemini. B-tier standalone.
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