---
title: "CLOVA Speech prerequisites"
slug: "clovaspeech-spec"
tags: ["CLOVA Speech"]
updated: 2026-09-17T09:33:50Z
published: 2026-09-17T09:33:50Z
canonical: "guide.ncloud-docs.com/clovaspeech-spec"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CLOVA Speech prerequisites

Available in Classic and VPC

Check the supported environment and pricing details required to use CLOVA Speech smoothly.

## Cloud environment specifications

The cloud environment specifications supported by CLOVA Speech are as follows.

| Item | Supported specifications |
| --- | --- |
| Region (Zone) | Korea |
| Platform | VPC, Classic |
| Language | Korean, English, Japanese |

Note

For details about the VPC environment, refer to the [service introduction](https://www.ncloud.com/product/networking/vpc) on the NAVER Cloud Platform portal. For service-specific VPC and Classic support, refer to the [Ncloud Usage Environment Guide](/docs/en/environment-environment-1-1). Supported languages may vary depending on the domain.

## Supported scope

The recognition targets and output formats supported by CLOVA Speech are as follows.

| Item | Supported scope |
| --- | --- |
| Supported languages | Short-form recognition: Korean, English, Japanese, Chinese Long-form recognition: Korean, English, Korean/English simultaneous recognition, Japanese, Chinese (Traditional/Simplified) Streaming recognition: Korean, English, Japanese |
| Recognizable time | Short-form: Up to 60 sec Long-form recognition: Up to 2 hr (sync), up to 6 hr (Batch, async) |
| Recognition file size | Short-form: Up to 10 MB (Builder, API) Long-form recognition: Up to 2 GB (Builder, API) |
| Supported file formats | - Short-form - Long-form - Streaming |

## Pricing

CLOVA Speech is billed according to recognition duration. For detailed pricing information, refer to **Services > AI Services > CLOVA Speech**.

- [**Portal > Services > AI Services > CLOVA Speech**](https://www.ncloud.com/product/aiService/clovaSpeech)