VoicebloxThe Lovable of Voice Agents

Build, test, and iterate instantly

Describe the voice agent you want, and let the AI build it. Tweak prompts and edit conversation flows using natural language.

Get notified when voiceblox.ai launches in the browser

Voiceblox builder interface

The tightest feedback loop

Spin it up. Call it. Refine until it’s right.

01

Generate from a prompt

Describe the voice agent you want, like 'Build a pitch practice bot', and the AI creates the full conversation flow instantly.

Generate from a prompt
02

Edit visually on the canvas

Drag, drop, and connect nodes to reshape the conversation flow exactly how you want it.

Edit visually on the canvas
03

Edit it by prompting

Describe what you want to change in plain language and watch the agent update in real time.

Edit it by prompting
04

Test it immediately

Talk to your agent right inside the builder - no deployment needed.

Test it immediately
05

Improve a response you didn't like

When the agent says something off, click on that message in the conversation panel to correct it.

Improve a response you didn't like
06

Deploy directly from the app

When your agent is ready, deploy it with a single click. No extra tools or setup required.

Deploy directly from the app
07

Share it with anyone

Generate a share link and send it to anyone. They can test your agent directly on voiceblox.ai, no app install needed.

Share it with anyone

Everything you need

A complete toolkit for building voice AI agents.

Large Language Models

18 providers live including OpenAI, Anthropic, and Mistral AI. 3 more coming soon.

OpenAI
Gemini
Moonshot
DeepSeek
Groq
Together AI
Azure
Cerebras
Fireworks
Ollama
OVHCloud
Perplexity
Telnyx
xAI
Anthropic
Mistral AI
OpenRouter
Amazon Bedrock
Baseten
Letta
LangChain

Speech to Text

11 providers live including Deepgram, Google Cloud, and ElevenLabs. 12 more coming soon.

Deepgram
ElevenLabs
Cartesia
AssemblyAI
Groq
OpenAI
OVHCloud
Google Cloud
Mistral AI
AWS
Azure Speech
Whisper
Azure OpenAI
Baseten
Clova
fal
Gladia
Gradium
Nvidia
Sarvam
Simplismart
Soniox
Speechmatics
Spitch

Text to Speech

12 providers live including ElevenLabs, Google Cloud, and Groq. 16 more coming soon.

ElevenLabs
Deepgram
Cartesia
Inworld
Rime
OpenAI
Neuphonic
Resemble AI
Google Cloud
AWS
Groq
Azure Speech
PlayHT
Gemini
Azure OpenAI
Nvidia
Baseten
Gradium
Hume
LMNT
MiniMax
Sarvam
Simplismart
Smallest AI
Speechify
Spitch
AsyncAI
Camb.ai

Avatar

10 providers live including LemonSlice, Tavus, Simli, and more. 2 more coming soon.

Anam
Avatario
AvatarTalk
Hedra
Keyframe
LemonSlice
LiveAvatar
Simli
Tavus
TruGen
Beyond Presence
bitHuman

Conversation Flow

Start, Timer, Open Talk, Burst, If/Else, Categorize, and End are live. Transfer coming soon.

Start
Timer
Open Talk
Burst
If/Else
Categorize
End
Transfer

Post-processing

Webhook, Structured Output, Zapier, and Make are live. Extract structured data and deliver it after each session.

Webhook
Structured Output
Zapier
Make
Summarization
CRM
Helpdesk

Tools

MCP, Exa, and SIP Transfer are live. Knowledge base, calendar, CRM, and more coming soon.

MCP
Exa
Pinecone
SIP Transfer
Human Handoff
Knowledge Base
Calendar
CRM
WhatsApp
SMS
Email

Frequently asked questions

Everything you need to know about building voice agents with Voiceblox.