Quick tip for anyone building AI voice agents

The #1 thing that kills conversions isn't the AI voice quality.

It's the response latency.

If your AI takes 3+ seconds to respond after someone finishes talking, people hang up or get frustrated.

Here's how to optimize for speed:

1. Use streaming TTS (text-to-speech starts playing while LLM is still generating)

2. Keep prompts under 500 tokens (faster LLM response)

3. Pre-load common responses (cache frequent answers)

4. Use GPT-4o-mini or Claude Sonnet instead of Opus (way faster, 90% as good)

We got response time from 3.2 seconds to 0.8 seconds just by implementing these.

Makes a huge difference in call quality.

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