One of 100 languages in this directory

Mandarin Chinese data for AI training, collected to your brief

Mandarin Chinese data from IndecalAI is collected or reviewed by a native Mandarin Chinese speaker, not pulled from an existing archive. We work with speakers across East and Southeast Asia, where writing systems and speech patterns vary widely from one market to the next, matched to your brief and checked before delivery.

The short answer

What Mandarin Chinese data can we produce?

Mandarin Chinese data from IndecalAI is speech, text, conversational and translation data collected or reviewed by a Mandarin Chinese speaker for your brief, not pulled from an existing archive.

Writing systems, formality levels and spoken rhythm shift noticeably across East and Southeast Asia, so a brief written for one market rarely transfers cleanly to the next without a native reviewer checking it.

This sits across several of our services depending on what you need: data collection for raw speech or text, conversational AI data for dialogue, and translation and localization for converting between Mandarin Chinese and another language.

Image and video categories on our datasets hub don't depend on language at all, so a project can combine this with visual data from the same region.

Mandarin Chinese data at a glance

Data types
Speech, text, conversational, translation
Who works on it
Contributors from our network of 30,000+ people worldwide, matched to your brief.
Review
A review pass before anything is delivered.
Your data
NDA first, used only for the agreed scope, returned or deleted when you ask.
First step
A small free sample before you commit.
About the language

What to know about Mandarin Chinese before you brief it

Mandarin is the standard spoken language of mainland China and Taiwan, and one of the official languages of Singapore. People who grow up speaking a regional language usually learn Mandarin at school, so accents vary a lot.

The first question in any Mandarin brief is the script: Simplified for mainland China and Singapore, Traditional for Taiwan, and the vocabulary also differs between those places. Spoken Mandarin has four tones plus a neutral one, so audio reviewers have to be native listeners, and written Mandarin has no spaces between words, so segmentation needs an agreed approach. Tell us which market and accent your users have.

Languages that sit close to Mandarin Chinese in script, family or region: Cantonese data, Wu Chinese data, Japanese data, Korean data, Tibetan data and Vietnamese data.

Categories we build in Mandarin Chinese: Mandarin Customer Support Call Speech Data, Mandarin Support Ticket Triage Data.

Deciding what to specify for any language? The guide to speech data collection covers the choices that apply across languages, and the one on transcription for AI and for people covers how speech becomes text.

Mandarin Chinese at a glance

Language family
Sinitic (Chinese)
Script
Simplified characters in mainland China and Singapore, Traditional characters in Taiwan
Spoken mainly in
mainland China, Taiwan, Singapore and communities worldwide
Name it in a brief
Putonghua (standard Mandarin), Taiwan Mandarin, regional accents
Its own name
普通话
Available in Mandarin Chinese

Four ways to request Mandarin Chinese data

Each links to the service that runs it, with its full scope and process.

Mandarin Chinese speech data

Recorded speech in Mandarin Chinese: calls, prompts and voice bot utterances, matched to the region and reviewed before delivery.

Mandarin Chinese text data

Written Mandarin Chinese: messages, reviews, tickets or chat logs, written or labeled by people who read it natively.

Mandarin Chinese conversational data

Scripted or spontaneous Mandarin Chinese dialogue for voice bots, support agents and customer-facing assistants across this region's markets.

Mandarin Chinese translation

Human-verified translation between Mandarin Chinese and another language, covering prompts, UI copy and training data.

Before we start

What to put in a Mandarin Chinese brief

Four things worth deciding before contributors start, so the first sample already looks right.

Region or dialect

Mandarin Chinese is spoken mainly in mainland China, Taiwan, Singapore and communities worldwide. Worth naming in a brief: Putonghua (standard Mandarin), Taiwan Mandarin, regional accents. Tell us the region or community you're targeting so contributors are matched to the right one.

Script or transliteration

Script for Mandarin Chinese: Simplified characters in mainland China and Singapore, Traditional characters in Taiwan. Say whether you want the native script, a transliterated version, or both, especially if your downstream system only reads one.

Data type mix

Speech, text, conversational and translation can be requested together or on their own. Tell us the mix your model needs.

Volume and timeline

A rough sense of how much data and how soon lets us staff the right number of contributors from the start.

How it works

From your brief to reviewed Mandarin Chinese data

One named contact owns the project from scoping to the last file.

  1. Brief

    You tell us the data type, the Mandarin Chinese variety or region and roughly how much you need.

  2. NDA and scope

    We sign an NDA before any data moves, then agree the scope with you.

  3. Free sample

    We produce a small sample free, so you can check it before you commit.

  4. Production

    Contributors from our network work in our own tools, to the brief you set.

  5. Review

    A review pass runs before anything is delivered.

  6. Delivery

    The data comes to you, or moves on to another service with us.

Where it's used

Where Mandarin Chinese data ends up

Common jobs for Mandarin Chinese data. They're examples of the work, not a client list.

Voice bots and IVR

Recorded Mandarin Chinese prompts and calls teach a voice bot to recognize how people actually speak, not just how a script reads.

Speech data

Support chat and tickets

Everyday Mandarin Chinese messages, written in the domain you work in, give a chat assistant real phrasing to learn from.

Text data

Content moderation and sentiment

Labeled Mandarin Chinese posts, reviews and messages teach a model to read tone and intent correctly in this language.

Conversational data

Localizing a product

Translating prompts, UI copy and training data into Mandarin Chinese so a product reads like it was written for that market, not machine-translated.

Translation

Off-the-shelf, or built to your brief

Off-the-shelf Mandarin Chinese data, or built to your brief?

We hold around 35,000 hours of off-the-shelf speech, prompts and conversations already collected across our network, and roughly 500 hours of it is Mandarin Chinese: see the Mandarin Chinese speech dataset. Here's how the two paths compare.

Off-the-shelf Mandarin Chinese data compared with a Mandarin Chinese brief built with IndecalAI
TopicA typical off-the-shelf datasetMandarin Chinese data with us
Already collected?No way to know until you've already paid for itYes: roughly 500 hours of Mandarin Chinese speech are already recorded, and we tell you what they cover before you buy
Fit to your briefBuilt for whoever bought it first, not your exact region, register or use caseCollected or reviewed to the region, script and format you specify
Who else has itThe same files can be sold to more than one buyerCustom collections are scoped to your engagement. For stock data, who else can license it is set in your licence
Checking the fitYou find out after you've already paid for itA small free sample first, so you check it before committing to volume
Glossary

Mandarin Chinese data terms, in plain words

General definitions. They describe the field, not a claim about us.

Native speaker review
A pass by someone who grew up speaking the language, checking that phrasing, tone and spelling read naturally, not just correctly.
Regional variety
A version of a language tied to a place, which can differ in vocabulary, pronunciation or script from the variety spoken elsewhere.
Code-mixing
Switching between two languages within the same sentence or conversation, common in everyday speech in many multilingual regions.
Human-verified translation
A translation checked by a person, rather than machine output delivered as final, catching meaning a model alone would miss.
Off-the-shelf dataset
Data already collected and packaged before a buyer exists, sold as-is to whoever licenses it next, rather than produced for one specific brief.
Related

Where Mandarin Chinese data fits

Mandarin Chinese is one of 100 languages on our languages directory. You can also browse every category on the datasets hub.

FAQ

Questions about Mandarin Chinese data

The datasets FAQ covers questions that apply across every category.

Do you support Mandarin Chinese?

Yes. Mandarin Chinese is one of 100 languages in this directory, part of our wider language coverage worldwide, including deep Indian language coverage. Tell us the regional variety you need.

Do you already have any Mandarin Chinese data collected?

Yes. Roughly 500 hours of Mandarin Chinese speech, prompts and conversations are already recorded and ready to license. The Mandarin Chinese speech dataset page has the details, and anything it doesn't cover we collect to your brief.

Can you mix regional varieties of Mandarin Chinese in one project?

Yes. Tell us the mix of regions or dialects you need and we'll match contributors from our network to that brief.

Which data types are available in Mandarin Chinese?

Speech, text, conversational data and translation to or from Mandarin Chinese. Image and video categories don't depend on language, so Mandarin Chinese speakers can also appear in those briefs on request.

Is a sample available before we commit?

Yes, a small free sample first.

Can this run alongside other languages in the same project?

Yes. Many engagements mix languages, domains and data types under one brief and one named contact, using our network of 30,000+ people across 150+ projects delivered so far.

What counts as a regional variety of Mandarin Chinese?

A version of the language tied to a place or community, which can differ in vocabulary, pronunciation, formality or script from another region's variety. Name the region in your brief if it matters for your use case.

Can you handle Mandarin Chinese in its native script?

Yes. Contributors work in the native script by default, with transliteration available if your project needs it instead.

Which variety of Mandarin Chinese should I ask for?

Ask for the one your users actually speak. Mandarin Chinese is spoken mainly in mainland China, Taiwan, Singapore and communities worldwide, and the forms most worth naming in a brief are Putonghua (standard Mandarin), Taiwan Mandarin, regional accents. If you are unsure, describe your users and where they live, and your named contact will help you decide before collection starts.

How is Mandarin Chinese written, and does it matter for the data?

Mandarin Chinese data uses Simplified characters in mainland China and Singapore, Traditional characters in Taiwan. The script and its encoding affect how a model reads the data, so say in the brief which one you need and whether a romanized or transliterated version is also required.

Request Mandarin Chinese data

Pick the data type, confirm Mandarin Chinese as the language and a rough volume, and send it. We'll produce a small sample free before you commit.

  1. Your named contact replies within one business day.
  2. We sign an NDA before any data changes hands.
  3. We produce your free sample, then agree the full scope.
What should we produce?
Email this brief

This opens your email app with the brief filled in. Nothing is sent until you press send. You can also use the contact page.