Now serving 1B+ calls / month

Real-time Voice AI,
Built to Scale

Driving the future of small, efficient multi-modal models — outperforming LLMs 100–1000× our size.

Our Research Try Models See Demo →
Our Models

Specialized models that outperform giants

We outperform LLMs 100–1000× our size, with dramatically lower GPU usage and time-to-first-token as low as 45 ms.

Text-to-Speech

Lightning

  • 100ms time-to-first-byte
  • 30+ languages with local accents
  • Human-like emotional voices
  • Voice cloning support
Try API →
⚛️
Language Model

Electron

  • 45ms TTFT
  • <3B parameters
  • Outperforms GPT-4 on benchmarks
  • Prompt-attack protection
Try API →
🌊
Speech-to-Text

Pulse

  • 38+ languages with code-switching
  • 100ms TTFB streaming / batch
  • Emotion, speaker, timestamps
  • Interruption handling
Try API →
🐍
Speech-to-Speech

Hydra

  • Full-duplex multimodal
  • Native tool calling
  • Asynchronous thinking
  • Hyper-emotional dialogue
View Hydra →
Atoms Platform

AI Voice Agentic platform that just works in production

Voice agents that sound human, respond like humans, scale beyond humans.

1

Create

Build agents with 3 clicks via our intuitive UI.

2

Test

Run simulated conversations before deployment.

3

Deploy

Launch across voice, email, chat & social channels.

4

Analyze

Use AI insights to drive performance improvements.

Try Atoms Book a Demo
For Developers

Automate. Orchestrate. Dominate — with code.

Drop-in SDKs for Python and Node.js. Streaming endpoints, clean docs, predictable pricing.

🐍 Python SDK ⬢ Node.js SDK
javascript python curl
// Generate speech with Lightning
import Quantallo from "quantallo";

const client = new Quantallo({
  apiKey: process.env.QUANTALLO_API_KEY,
});

const audio = await client.lightning.tts({
  text: "Hello, world!",
  voice: "emily",
  format: "wav",
});
Enterprise Security

Your data, secure with Enterprise Security

Built for regulated industries. Aligned with the strictest global compliance standards.

🛡️

HIPAA

Compliant

🔒

SOC 2 Type 2

Aligned

🌍

GDPR

Compliant

📜

ISO 27001

Aligned practices

Security Docs →
1B+
Calls run monthly
99.99%
Enterprise uptime
<400ms
Average latency
50%
Cost reduction
90%
Show-up rate lift
Use Cases

Powering Specialized Machine Intelligence

Our models power 100+ use cases across industries.

B2C

  • Notetakers
  • AI Companions
  • Celebrity Clones
  • Personal Assistants

B2B

  • Collections
  • Lead Qualification
  • Customer Support
  • Outbound Sales

Edge

  • Custom Chips
  • Specialized Hardware
  • Mobile Devices
  • On-Premise Deployments
"Quantallo provides the highest quality of speech agents for automating our highly complex payment contact centres."
Harinder Thakar CEO, Paytm Labs
Research

The Quantallo Thesis

Intelligence emerges from small, continuously-learning models with domain tools and external memory — not raw scale.

Paper · Vision

CLIPDraw++

Text-to-sketch synthesis with geometric primitives, without retraining.

Paper · Foundations

Artificial Special Intelligence

A framework for capability beyond scaling laws.

Paper · Speech

SonoEdit

Pronunciation correction in TTS systems without model retraining.

Want to help us build the future of Voice AI?

View Open Roles →