The production layer for AI voice.

The voice quality you expect - every word, line, and language.

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Run your first line

Trusted by teams shipping voice at scale.

TTS makes voices. Onepin makes it production-ready.

TTS makes voices.
Onepin makes it production-ready.

TTS

Turns text into speech. One model. One pass. No validation. No retry. Ship whatever the engine returns.

Onepin

Plans. Validates. Ships. An agent. Picks the model. Scores the results. Fixes until it clears your bar.

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Reduce errors by 00%. The way you Claude Code is to a comiler, Onepin is to TTS.

Three steps to your voice.

The difference is what you can do with it.

01

Add nodes

Drop in voice, emotion, pacing, and style nodes from the library.

02

Connect

Wire nodes together to shape exactly the voice you want.

03

Run workflow

Render the pipeline and export production-ready audio in seconds.

See it run.

See it run.

A walk-through of composing your first voice with onepin.

A walk-through of composing your first voice

with onepin.

Watch full demo

Used across industries.

"Let's go, team. The final boss won't wait."

Generate dynamic NPC voices, in-game cinematics, and localized dialogue with consistent character identity.

"He turned slowly. The room had gone still."

Produce voiceovers, ADR replacements, and multilingual dubs while preserving the original performance.

"In a quiet town, nothing was ever quiet for long."

Narrate long-form content with natural pacing and emotional range — at a fraction of studio cost.

"The future of voice, here."

Scale ad creative across regions and demographics with brand-safe voice variations on demand.

"Today, we explore the basics of calculus."

Create clear, engaging instructional voices for courses and tutorials in any language.

Built by

"Voice AI shouldn't be a black box.

So we built one that isn't."

"Voice AI shouldn't
be a black box.

So we built one
that isn't."

Soohyun Bae

Onepin Founder & CEO

Ex-Google

Pricing that scales with your team.

Starter

Free

For early experiments and prototypes.

1 pipeline

50,000 audios / month

5 languages

2 providers

Community support

Pro

$99

/mo

For teams shipping in production.

Unlimited pipelines

50,000 audios / month

All 40+ languages

All 100+ providers

Validators • CI gating

Priority support

Enterprise

Custom

For teams with custom needs.

Everything in Pro

Dedicated infrastructure

SSO • SOC 2 • DPA

Custom validators

Native-speaker review pool

Solutions engineering

Start composing your voice.

Start composing

your voice.

Be the first to know when we ship.

onepin.ai

© 2026 onepin.ai All rights reserved

onepin.ai

© 2026 onepin.ai All rights reserved

onepin.ai

© 2026 onepin.ai All rights reserved