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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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Chatbots
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Image
Video
Voice
Meetings
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Agents
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OpenAI Voice / Realtime
S
Fireflies
A
GitHub Copilot
B
Luma Dream Machine
A
TaglineChatGPT's voice + the Realtime API for developers.Sales-focused meeting AI with CRM integration.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Smooth, cinematic motion. Image-to-video specialist.
CategoryVoiceMeetingsCodingVideo
PricingVoice included with ChatGPT Plus; Realtime API by usageFree + $10-$19/user/moFree (limited) + $10/mo Pro + $19/mo BusinessFree + $10-$500/mo
Best forVoice chat users, developers building voice agents on OpenAI.Sales teams, customer success, anyone running many discovery calls.Teams with GitHub already. Devs who don't want to change IDEs.Photographers animating stills, cinematic b-roll.
Strengths
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • 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
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Prompt fidelity below Runway
  • Queue times on free tier
Kai's verdictS-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.A-tier for sales teams. B-tier for solo users.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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