Cianplan

Level 6: Applied: cases, FDE scenarios, mocks · L6.3 AI-era cases

Real-time voice agent

Budget latency across speech-to-text, LLM and text-to-speech.

15 min · Pro

What you take away

  • The whole budget is about 800 ms from the caller finishing to the first audio back, and the four stages sum to 800–950 ms with no slack anywhere.

And 3 more inside the class, in Pro.

How the class is laid out

  1. The prompt
  2. Requirements and the numbers
  3. The design
  4. Three decisions
  5. The twist
  6. Check your understanding