Compare AI tools
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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Dev Platform
Agents
Video
Coding
Image
Productivity
Writing
Marketing
OpenAI Voice / Realtime S | Perplexity S | Ideogram S | Otter.ai B | |
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| Tagline | ChatGPT's voice + the Realtime API for developers. | AI search done right. Cited answers, not chat theater. | The one that actually gets text in images right. | Meeting transcription veteran. Cross-platform, team-friendly. |
| Category | Voice | Research | Image | Meetings |
| Pricing | Voice included with ChatGPT Plus; Realtime API by usage | Free + $20/mo Pro | Free + $8/mo + $20/mo + $60/mo | Free + $17-$30/user/mo |
| Best for | Voice chat users, developers building voice agents on OpenAI. | Replacing Google for any question where you want a cited answer in seconds. | Anything with text — posters, ads, album covers, slide decks. | Teams on Windows/PC. Anyone needing cross-platform coverage. |
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| Kai's verdict | S-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement. | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | S-tier for text-in-image. Use this for posters, Midjourney for art. | B-tier. Granola is better UX but Otter works everywhere. Pick based on your platform. |
| Link | Open → | Open → | Open → | Open → |