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MJMuhammad Jareerkeencraft.hashnode.devOct 7 · 8 min read

Breaking Down the Per-Minute Cost of a Production Voice Agent

Every AI voice call is five services billing at the same time. Platforms advertise one of them as the headline price, which is why the number on the pricing page rarely matches the invoice. In 2026, a

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NSNeeraj Sharmaaxionry.hashnode.devOct 2 · 3 min read

Our voice agent costs 2.5¢ a minute. Here's the whole bill.

We run an AI interviewer that talks to candidates over phone calls. It started on a managed voice platform at roughly 10¢ a minute. The same interviews now run on a custom LiveKit pipeline at about 2.

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MUMohammed Usmanimohammed-usmani.hashnode.devSep 29 · 11 min read

From 2.44 s to 1.81 s: working through my voice agent's latency list, and the fast model that went silent

TL;DR Part 1 ended with a list of things to try. I tried all of them on the same phone agent, now running a recruiter's pre-screening call. At the agent, the median reply went from 2.44 s to 1.81 s

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MUMohammed Usmanimohammed-usmani.hashnode.devSep 26 · 11 min read

LiveKit turn detection on real phone calls: why a 2-second average hid a 3.6-second stall

TL;DR I built a voice agent you can call from a real phone (SIP through LiveKit Cloud) and measured every turn instead of trusting averages. On a test call the average reply took about 2 seconds, bu

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TSTakshak Singh Rajawattakshak.hashnode.devAug 15 · 12 min read

ArthSakhi: Building a Voice Agent That Knows When to Speak, Act, and Ask for Help

A practical story of building a voice agent that can guide users, use tools, respect consent, and know when to ask for help. Project: ArthSakhi (अर्थसखी)Challenge: 10 Days of Voice Agents — VoiceForB

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DPDEEPANKAR Patelbot-docs.hashnode.devAug 15 · 16 min read

Kisan Mitra: Building a Voice-First AI Farming Companion for Indian Farmers

How I built a multilingual agricultural voice agent with memory, real-time data, outbound calls, human escalation, specialist agents, and analytics. What if a farmer didn't have to open an app, navig

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PMPooja Mlearnbuddyjournal.hashnode.devAug 15 · 6 min read

Building LearnBuddy: A Step-by-Step Guide to Creating an AI Voice Agent for Students

Why I Built LearnBuddy Artificial intelligence has transformed the way we learn, but most AI learning tools still focus primarily on English. As a student, I wanted to explore how AI could make learni

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OMOm Mishrapeek.hashnode.devMay 8 · 8 min read

i didn't want to walk desk to desk

A classroom problem, five design questions, and what I built to answer them Picture this: A lab of thirty students learning to build things with AI. Two hours. One teacher. And every few minutes, some

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VSVasudev Siddhvasu-devs.hashnode.devMay 4 · 8 min read

Vaani: Building a Voice Agent That Knows When Not to Talk

The hardest part of a voice agent is not making it speak. It is making it speak at the right time, with the right context, and then leaving behind enough evidence that a human can trust what happened.

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PKPrateek Kumargeekprateek.hashnode.devAug 23, 2025 · 4 min read

Designing Robust Applications Over UDP — Building AI Voice Assistants with LiveKit

🔙 Previously: Real-World UDP: How WebRTC and DNS Use the Fast but Unreliable Protocol In our last post, we saw how technologies like WebRTC (used in video calls) and DNS (used to find websites) depend on UDP, a fast but unreliable network protocol....

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Trending tags this week

Breaking Down the Per-Minute Cost of a Production Voice Agent

Our voice agent costs 2.5¢ a minute. Here's the whole bill.

From 2.44 s to 1.81 s: working through my voice agent's latency list, and the fast model that went silent

LiveKit turn detection on real phone calls: why a 2-second average hid a 3.6-second stall

ArthSakhi: Building a Voice Agent That Knows When to Speak, Act, and Ask for Help

Kisan Mitra: Building a Voice-First AI Farming Companion for Indian Farmers

Building LearnBuddy: A Step-by-Step Guide to Creating an AI Voice Agent for Students

i didn't want to walk desk to desk

Vaani: Building a Voice Agent That Knows When Not to Talk

Designing Robust Applications Over UDP — Building AI Voice Assistants with LiveKit