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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
Pika
A
GitHub Copilot
B
Google Veo
A
TaglineChatGPT's voice + the Realtime API for developers.The playful, accessible AI video tool.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Google's video model. Baked into Gemini + YouTube Shorts.
CategoryVoiceVideoCodingVideo
PricingVoice included with ChatGPT Plus; Realtime API by usageFree + $8-$58/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.Social media creators, beginners, anyone wanting quick fun clips.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
  • Ingredients feature — combine people, objects, scenes
  • Lip sync + sound effects
  • Fun, approachable UX
  • 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
  • Lower fidelity than Runway/Kling
  • Still rough on complex scenes
  • 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 for social/casual. B-tier for serious work. Good entry point.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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