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GPT-5.1 Just Fixed the Thing That's Been Bugging Me for Years
Nov 19, 2025

GPT-5.1 Just Fixed the Thing That's Been Bugging Me for Years

Read more

AGENT-BUILDING

67
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GPT-5.1 Just Fixed the Thing That's Been Bugging Me for Years
NOV 19, 2025

GPT-5.1 Just Fixed the Thing That's Been Bugging Me for Years

Introducing Squads: Teams of Assistants
NOV 13, 2025

Introducing Squads: Teams of Assistants

Build Using Free Cartesia Sonic 3 TTS All Week on Vapi
OCT 27, 2025

Build Using Free Cartesia Sonic 3 TTS All Week on Vapi

Build with Free, Unlimited MiniMax TTS All Week on Vapi
SEP 15, 2025

Build with Free, Unlimited MiniMax TTS All Week on Vapi

GPT Realtime is Now Available in Vapi
AUG 28, 2025

GPT Realtime is Now Available in Vapi

GPT-5 Now Live in Vapi
AUG 07, 2025

GPT-5 Now Live in Vapi

How We Solved DTMF Reliability in Voice AI Systems
JUL 31, 2025

How We Solved DTMF Reliability in Voice AI Systems

How We Built Adaptive Background Speech Filtering at Vapi
JUL 24, 2025

How We Built Adaptive Background Speech Filtering at Vapi

How we solved latency at Vapi
JUL 14, 2025

How we solved latency at Vapi

Audio Preprocessing for Speech-to-Text: Definition, Implementation, and Use Cases
JUN 27, 2025

Audio Preprocessing for Speech-to-Text: Definition, Implementation, and Use Cases

What Is Signal Processing? Voice AI Definition Guide
JUN 27, 2025

What Is Signal Processing? Voice AI Definition Guide

Speech Latency Solutions: Complete Guide to Sub-500ms Voice AI'
JUN 23, 2025

Speech Latency Solutions: Complete Guide to Sub-500ms Voice AI

DeepSeek R1: Open-Source Reasoning for Voice Chat'
JUN 20, 2025

DeepSeek R1: Open-Source Reasoning for Voice Chat

Building a Grok-2 Voice Agent on Vapi
JUN 20, 2025

Building a Grok-2 Voice Agent on Vapi

How to Use Grok 3 in a Voice Agent
JUN 20, 2025

How to Use Grok 3 in a Voice Agent

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COMPANY-NEWS

40
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Structured Outputs: Extract validated data from voice AI calls
NOV 20, 2025

Structured Outputs: Extract validated data from voice AI calls

GPT-5.1 Just Fixed the Thing That's Been Bugging Me for Years
NOV 19, 2025

GPT-5.1 Just Fixed the Thing That's Been Bugging Me for Years

From Existential Crisis to the Super Bowl of Voice
NOV 12, 2025

From Existential Crisis to the Super Bowl of Voice

Build Using Free Cartesia Sonic 3 TTS All Week on Vapi
OCT 27, 2025

Build Using Free Cartesia Sonic 3 TTS All Week on Vapi

Build with Free, Unlimited MiniMax TTS All Week on Vapi
SEP 15, 2025

Build with Free, Unlimited MiniMax TTS All Week on Vapi

Everything We Shipped in August 2025
SEP 01, 2025

Everything We Shipped in August 2025

GPT Realtime is Now Available in Vapi
AUG 28, 2025

GPT Realtime is Now Available in Vapi

How We Achieved 99.99% Reliability At Vapi
AUG 12, 2025

How We Achieved 99.99% Reliability At Vapi

GPT-5 Now Live in Vapi
AUG 07, 2025

GPT-5 Now Live in Vapi

Everything We Shipped in July 2025
AUG 01, 2025

Everything We Shipped in July 2025

How We Solved DTMF Reliability in Voice AI Systems
JUL 31, 2025

How We Solved DTMF Reliability in Voice AI Systems

How We Built Adaptive Background Speech Filtering at Vapi
JUL 24, 2025

How We Built Adaptive Background Speech Filtering at Vapi

How we solved latency at Vapi
JUL 14, 2025

How we solved latency at Vapi

Everything We Shipped in June 2025
JUL 07, 2025

Everything We Shipped in June 2025

Now Use Vapi Chat Widget In Vapi
JUL 02, 2025

Now Use Vapi Chat Widget In Vapi

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COMPARISON

18
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Mistral vs Llama 3: Complete Comparison for Voice AI Applications'
JUN 24, 2025

Mistral vs Llama 3: Complete Comparison for Voice AI Applications

8 Alternatives to Azure for Voice AI STT
JUN 23, 2025

8 Alternatives to Azure for Voice AI STT

Gemini Flash vs Pro: Understanding the Differences Between Google’s Latest LLMs
JUN 19, 2025

Gemini Flash vs Pro: Understanding the Differences Between Google’s Latest LLMs

Claude vs ChatGPT: The Complete Comparison Guide'
JUN 18, 2025

Claude vs ChatGPT: The Complete Comparison Guide

Deepgram Nova-3 vs Nova-2: STT Evolved'
JUN 17, 2025

Deepgram Nova-3 vs Nova-2: STT Evolved

GPT-4.1 vs Claude 3.7: Which AI Delivers Better Voice Agents?'
JUN 05, 2025

GPT-4.1 vs Claude 3.7: Which AI Delivers Better Voice Agents?

11 Great ElevenLabs Alternatives: Vapi-Native TTS Models '
JUN 04, 2025

11 Great ElevenLabs Alternatives: Vapi-Native TTS Models

ElevenLabs vs OpenAI TTS: Which One''s Right for You?'
JUN 04, 2025

ElevenLabs vs OpenAI TTS: Which One''s Right for You?

Best Speechify Alternative: 5 Tools That Actually Work Better'
MAY 30, 2025

Best Speechify Alternative: 5 Tools That Actually Work Better

Choosing Between Gemini Models for Voice AI
MAY 29, 2025

Choosing Between Gemini Models for Voice AI

DeepSeek R1 vs V3 for Voice AI Developers
MAY 28, 2025

DeepSeek R1 vs V3 for Voice AI Developers

Amazon Lex Vs Dialogflow: Complete Platform Comparison Guide'
MAY 23, 2025

Amazon Lex Vs Dialogflow: Complete Platform Comparison Guide

Top 5 Character AI Alternatives for Seamless Voice Integration
MAY 23, 2025

Top 5 Character AI Alternatives for Seamless Voice Integration

Narakeet: Turn Text Into Natural-Sounding Speech'
MAY 23, 2025

Narakeet: Turn Text Into Natural-Sounding Speech

The 10 Best Open-Source Medical Speech-to-Text Software Tools
MAY 22, 2025

The 10 Best Open-Source Medical Speech-to-Text Software Tools

VIEW MORE BLOGS

FEATURES

49
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Structured Outputs: Extract validated data from voice AI calls
NOV 20, 2025

Structured Outputs: Extract validated data from voice AI calls

Introducing Squads: Teams of Assistants
NOV 13, 2025

Introducing Squads: Teams of Assistants

How We Built Vapi's Voice AI Pipeline: Part 2
SEP 16, 2025

How We Built Vapi's Voice AI Pipeline: Part 2

How We Built Vapi's Voice AI Pipeline: Part 1
AUG 21, 2025

How We Built Vapi's Voice AI Pipeline: Part 1

Introducing Vapi CLI: The Best Developer Experience for Building Voice AI Agents
JUL 08, 2025

Introducing Vapi CLI: The Best Developer Experience for Building Voice AI Agents

Now Use Vapi Chat Widget In Vapi
JUL 02, 2025

Now Use Vapi Chat Widget In Vapi

Now Run Outbound Call Campaigns with Vapi
JUN 26, 2025

Now Run Outbound Call Campaigns with Vapi

Real-time STT vs. Offline STT: Key Differences Explained'
JUN 24, 2025

Real-time STT vs. Offline STT: Key Differences Explained

Speech Latency Solutions: Complete Guide to Sub-500ms Voice AI'
JUN 23, 2025

Speech Latency Solutions: Complete Guide to Sub-500ms Voice AI

A History of Text-to-Speech: From Mechanical Voices to AI Assistants'
JUN 20, 2025

A History of Text-to-Speech: From Mechanical Voices to AI Assistants

Introducing Vapi Workflows
JUN 05, 2025

Introducing Vapi Workflows

Flow-Based Models: A Developer''s Guide to Advanced Voice AI'
MAY 30, 2025

Flow-Based Models: A Developer''s Guide to Advanced Voice AI

Make your voice agents also chat with Vapi’s new Chat API
MAY 29, 2025

Make your voice agents also chat with Vapi’s new Chat API

AI Wrapper: Simplifying Voice AI Integration For Modern Applications'
MAY 26, 2025

AI Wrapper: Simplifying Voice AI Integration For Modern Applications

Homograph Disambiguation in Voice AI: Solving Pronunciation Puzzles'
MAY 26, 2025

Homograph Disambiguation in Voice AI: Solving Pronunciation Puzzles

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INDUSTRY-INSIGHT

14
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How We Built Vapi's Voice AI Pipeline: Part 2
SEP 16, 2025

How We Built Vapi's Voice AI Pipeline: Part 2

How We Solved DTMF Reliability in Voice AI Systems
JUL 31, 2025

How We Solved DTMF Reliability in Voice AI Systems

How We Built Adaptive Background Speech Filtering at Vapi
JUL 24, 2025

How We Built Adaptive Background Speech Filtering at Vapi

How we solved latency at Vapi
JUL 14, 2025

How we solved latency at Vapi

Three Examples of Voice AI Improving Logistics
JUN 04, 2025

Three Examples of Voice AI Improving Logistics

Understanding Kindroid: Lessons from the AI Companion Market'
MAY 26, 2025

Understanding Kindroid: Lessons from the AI Companion Market

Introduction to Adobe Podcast Tools for Podcasting
MAY 23, 2025

Introduction to Adobe Podcast Tools for Podcasting

What Is RCS Messaging? The Complete Guide for Developers
MAY 23, 2025

What Is RCS Messaging? The Complete Guide for Developers

Launching the Vapi for Creators Program
MAY 22, 2025

Launching the Vapi for Creators Program

Bring Vapi Voice Agents into Your Workflows With The New Vapi MCP Server
APR 18, 2025

Bring Vapi Voice Agents into Your Workflows With The New Vapi MCP Server

Vapi x Deepgram Aura-2 — The Most Natural TTS for Enterprise Voice AI
APR 15, 2025

Vapi x Deepgram Aura-2 — The Most Natural TTS for Enterprise Voice AI

Vapi x Cartesia: Ultra-Realistic Voice AI with Sonic 2.0'
MAR 11, 2025

Vapi x Cartesia: Ultra-Realistic Voice AI with Sonic 2.0

AI Call Centers are changing Customer Support Industry
MAR 06, 2025

AI Call Centers are changing Customer Support Industry

Voice AI is eating the world
MAR 04, 2025

Voice AI is eating the world

SECURITY

2
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Env Files and Environment Variables for Voice AI Projects
MAY 26, 2025

Env Files and Environment Variables for Voice AI Projects

Introduction to SRTP: Secure Real-Time Transport Protocol'
MAY 26, 2025

Introduction to SRTP: Secure Real-Time Transport Protocol

USE-CASES

9
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Now Run Outbound Call Campaigns with Vapi
JUN 26, 2025

Now Run Outbound Call Campaigns with Vapi

Five Ways Real Estate Agents Can Use AI
JUN 18, 2025

Five Ways Real Estate Agents Can Use AI

Three Examples of Voice AI Improving Logistics
JUN 04, 2025

Three Examples of Voice AI Improving Logistics

Mastering Environment Variables: Set Up for Vapi Voice AI Integration'
MAY 23, 2025

Mastering Environment Variables: Set Up for Vapi Voice AI Integration

Now Integrate GoHighLevel Calendar With Vapi
MAY 20, 2025

Now Integrate GoHighLevel Calendar With Vapi

Add SMS to Your Vapi Agents
APR 22, 2025

Add SMS to Your Vapi Agents

Bring Vapi Voice Agents into Your Workflows With The New Vapi MCP Server
APR 18, 2025

Bring Vapi Voice Agents into Your Workflows With The New Vapi MCP Server

Scaling Client Intake Engine with Vapi Voice AI agents
APR 01, 2025

Scaling Client Intake Engine with Vapi Voice AI agents

AI Call Centers are changing Customer Support Industry
MAR 06, 2025

AI Call Centers are changing Customer Support Industry

CASE STUDIES

1
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Delphi saved 10 months of engineering work with Vapi
SEP 19, 2025

Delphi saved 10 months of engineering work with Vapi

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