Soniox named best-in-class STT for voice agents
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Soniox App

Dictate legal briefs and memos by voice in Thai

Type with your voice in any app — up to 4× faster than typing. Built for lawyers who need accurate, hands-free text input across 60+ languages. Works with Thai and 60+ other languages.

mobileDownload on the App Store and Google Play

Apple App StoreGoogle Store
Free to start, with free credits added every week.

Say it once, it is written in Thai

Typing is slow. Speaking is natural. Soniox App turns your voice into finished text as you speak. Get seamless Thai transcriptions today.

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Hands-free input

Keep your hands free while composing Thai text. Ideal for multitasking or when typing is inconvenient.

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Professional vocabulary

Soniox App handles specialized Thai terminology and professional language with accuracy.

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Works in any app

Thai Voice Typing works system-wide across all apps and text fields — no integrations or plugins needed.

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Long-form writing

Write Thai reports, articles, and documentation at the speed of thought. Voice Typing keeps up with natural speech.

Voice input that works everywhere in Thai

Voice Typing works system-wide across all apps — no integrations or plugins needed. Handles Thai across varieties like Central Thai and Northern Thai.

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Natural speech input

Speak Thai the way you normally talk. Soniox App turns natural speech into clean, punctuated text.

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60+ languages

Dictate in Thai and 60+ other languages with seamless mid-sentence language switching.

devices

Desktop and mobile

Thai Voice Typing works system-wide on desktop and mobile — no plugins or integrations required.

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Smart punctuation

Soniox App adds Thai punctuation, capitalization, and formatting automatically as you speak.

Thai at a glance

Key facts about Thai.

ภาษาไทย

native name

70 million

speakers worldwide

5

countries where spoken

Thai is spoken in Thailand, Laos, Myanmar, Cambodia, and Malaysia. Soniox App is trained on real-world Thai speech from multiple regions and accents.

Thai transcription accuracy

Soniox App is powered by next-gen speech AI model developed inhouse by Soniox. The table below shows how Soniox AI performs on Thai transcription compared to 8 other providers.

ProviderWER (Thai)Accuracy
Soniox#19.5%90.5%
Speechmatics13.3%86.7%
AWS14.2%85.8%
Azure15.5%84.5%
OpenAI33.7%66.3%
Deepgram48.6%51.4%
Google58.2%41.8%
ElevenLabs72.5%27.5%
AssemblyAI85.6%14.4%

Word error rate (WER) measures how many words a speech-to-text engine gets wrong. Lower is better.

Soniox outperforms Speechmatics, AWS, Azure, OpenAI, Deepgram, Google, ElevenLabs, and AssemblyAI on Thai transcription accuracy.

Soniox App works with Thai and 60+ more languages

Soniox App transcribes and translates in Thai and over 60 other languages with professional-grade accuracy.

AfrikaansAlbanianArabicAzerbaijaniBasqueBelarusianBengaliBosnianBulgarianCatalanChineseCroatianCzechDanishDutchEnglishEstonianFinnishFrenchGalicianGermanGreekGujaratiHebrewHindiHungarianIndonesianItalianJapaneseKannadaKazakhKoreanLatvianLithuanianMacedonianMalayMalayalamMarathiNorwegianPersianPolishPortuguesePunjabiRomanianRussianSerbianSlovakSlovenianSpanishSwahiliSwedishTagalogTamilTeluguThaiTurkishUkrainianUrduVietnameseWelsh

Soniox App: The all-in-one AI speech toolkit

Smart Scribe, Translator, and Voice Typing cover three ways people work with speech.

Smart Scribe

Caption Thai conversations live

App feature Smart Scribe
See Smart Scribe arrow_forward

Translator

Translate Thai and 60+ other languages live

App feature Translator
See Translator arrow_forward

Voice Typing

Speak to type in Thai

App feature Voice Typing
See Voice Typing arrow_forward

One app. Everything you do with voice in Thai.

Get started free

Transcribe conversations in real time with Soniox.

mobileDownload on the App Store

Apple App StoreGoogle Store
Free to start, with free credits added every week.

Learn everything Soniox can do

Need more details? The Soniox Help Center provides complete documentation for the app, including guides, videos, screenshots, and feature walkthroughs.

Learn how to use Smart Scribe, Translator, Voice Typing, and more.

Explore the Help Center

Built for any use case

From clinical documentation to creative workflows, Soniox App is built for the situations where accurate transcription and translation matter most.

groups

Meeting transcription

Capture every decision and action item from meetings automatically.

school

Lecture transcription

Record complete lecture transcripts for study and accessibility.

stethoscope

Medical dictation

Document clinical encounters hands-free with professional accuracy.

hearing

Hearing accessibility

Real-time captions for deaf and hard-of-hearing users in any setting.

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Travel translator

Communicate across language barriers with real-time spoken translation.

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Voice notes

Capture ideas and thoughts hands-free and turn them into searchable text.

Private by default

Soniox never stores your recordings and never uses your audio to train models. Everything is processed securely in real-time, then gone.

Thai language trivia

สวัสดี - that's how you say hello in Thai.

History and background

  • history

    The Thai script was created in 1283 by King Ramkhamhaeng the Great, adapted from Khmer script.

  • history

    Thai is closely related to Lao; speakers of the two languages can often understand each other.

  • history

    Thailand is the only Southeast Asian country that was never colonized by a European power.

Distinctive features

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    Thai is a tonal language with five tones: mid, low, falling, high, and rising.

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    Thai script does not use spaces between words — readers segment words from context.

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    Thai has an elaborate pronoun system with terms varying by gender, social status, and formality.

Dialects and varieties

Central ThaiNorthern ThaiNortheastern Thai (Isan)Southern Thai

Official language in

Thailand

Frequently asked questions about Thai dictate legal briefs and memos by voice

Does Soniox App work for Thai speakers across different countries?arrow_downward
Yes. Thai is spoken across Thailand, Laos, Myanmar, Cambodia, and Malaysia, and every region has its own accent, pace, and everyday vocabulary. Soniox App is trained on real-world Thai speech from multiple regions, so it stays accurate whether you are at home or traveling to another Thai-speaking country.
How well does Soniox App handle Thai as it is actually spoken day to day?arrow_downward
Very well. Thai has 70 million speakers across 5 countries, and it sounds noticeably different depending on where you are. Most tools are trained on one standardized accent and struggle the moment speech gets regional, fast, or casual. Soniox App is trained on real-world Thai from multiple regions, so it stays accurate regardless of who is speaking or where they are from.
How accurate is Soniox for Thai compared to other providers?arrow_downward
Soniox achieves a 9.5% word error rate for Thai, outperforming Speechmatics, AWS, Azure, and 5 other providers in independent benchmarks. Lower word error rate means fewer mistakes in your transcripts.
What writing system does Thai use?arrow_downward
Thai is written in the Thai script. The script uses diacritical marks to convey additional phonetic information. Soniox App handles Thai text natively, including all script-specific characters.
Does Soniox handle different Thai dialects?arrow_downward
Thai has several recognized varieties, including Central Thai, Northern Thai, Northeastern Thai (Isan), and Southern Thai. Soniox is trained on diverse Thai speech data, so it handles regional variation and dialectal differences effectively.
What language family does Thai belong to?arrow_downward
Thai belongs to the Kra-Dai > Tai language family. Understanding these linguistic relationships helps Soniox deliver better accuracy across language families.
What is Soniox App?arrow_downward
Soniox App is a real-time speech app that turns spoken conversations into text and translations instantly. You can transcribe, translate, dictate, and summarize speech across 60+ languages — live, as people speak.
Is Voice Typing faster than typing?arrow_downward
For most people, yes. Speaking is typically up to 4× faster than typing, especially for longer text.
Where can I use Voice Typing?arrow_downward
You can use Voice Typing across apps and text fields — wherever you normally type — on supported platforms.
Is my audio or data stored?arrow_downward
No. Soniox App never stores your audio or uses it to train models. Text outputs are stored only to provide the service to you and are never used for model training.
Is Soniox App free to use?arrow_downward
Yes. Soniox App offers free usage to get started, with paid plans available for unlimited and advanced features.