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

Live captions for doctor appointments in Spanish

Soniox App transcribes and summarizes conversations in real time and is built for deaf and hard-of-hearing users who need accurate records without manual note-taking. Speaker labels, action items, and searchable transcripts across 60+ languages. Works with Spanish 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.

Every detail, captured automatically in Spanish

Conversations move fast and details slip through the cracks. Soniox App makes sure nothing gets lost. Get seamless Spanish transcriptions today.

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Action items extracted

Smart Scribe pulls out action items and decisions from Spanish conversations so nothing falls through the cracks.

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Know who said what

Speaker labels identify each Spanish-speaking participant automatically, making transcripts easy to follow.

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Find anything said

Every transcript is searchable. Look up a Spanish word or phrase and find the exact moment it was spoken.

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Share with your team

Send Spanish transcripts and summaries to colleagues instantly. Everyone stays aligned without extra follow-up.

Built for real conversations in Spanish

Smart Scribe handles the complexity of real speech so you can focus on the conversation. Handles Spanish across varieties like Castilian and Latin American Spanish.

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Automatic summaries

Key points, decisions, and action items are extracted automatically from Spanish sessions.

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60+ languages

Transcribe Spanish conversations and 60+ other languages, including mixed-language speech.

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Built for long sessions

Smart Scribe handles extended Spanish meetings, interviews, and lectures without losing context or accuracy.

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Context-aware accuracy

Smart Scribe understands Spanish professional vocabulary and context, producing transcripts that need minimal editing.

Spanish at a glance

Key facts about Spanish.

Español

native name

500 million

speakers worldwide

21

countries where spoken

Spanish is spoken in Spain, Mexico, Colombia, Argentina, Peru, Venezuela, Chile, Ecuador, Guatemala, Cuba, Bolivia, Dominican Republic, Honduras, Paraguay, El Salvador, Nicaragua, Costa Rica, Panama, Uruguay, Puerto Rico, and Equatorial Guinea. Soniox App is trained on real-world Spanish speech from multiple regions and accents.

Spanish 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 Spanish transcription compared to 8 other providers.

ProviderWER (Spanish)Accuracy
Soniox#15.3%94.7%
AssemblyAI7.1%92.9%
Speechmatics7.1%92.9%
ElevenLabs8.7%91.3%
Azure9.5%90.5%
Deepgram10.1%89.9%
AWS11.4%88.6%
Google14.4%85.6%
OpenAI14.5%85.5%

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

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

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 Spanish conversations live

App feature Smart Scribe
See Smart Scribe arrow_forward

Translator

Translate Spanish and 60+ other languages live

App feature Translator
See Translator arrow_forward

Voice Typing

Speak to type in Spanish

App feature Voice Typing
See Voice Typing arrow_forward

One app. Everything you do with voice in Spanish.

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

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.

Spanish language trivia

Hola - that's how you say hello in Spanish.

History and background

  • history

    Spanish is the second most spoken language in the world by native speakers, after Mandarin Chinese.

  • history

    The first Spanish grammar was published in 1492 by Antonio de Nebrija — the first grammar of any modern European language.

  • history

    Spanish is an official language in 20 countries across four continents.

Distinctive features

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    Spanish has an inverted question mark (¿) and exclamation mark (¡) at the beginning of sentences.

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    The "ñ" letter is distinctive to Spanish and represents a palatal nasal sound.

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    Spanish uses grammatical gender for all nouns and has a subjunctive mood used extensively in everyday speech.

Dialects and varieties

CastilianLatin American SpanishAndalusianRioplatenseCaribbean SpanishMexican Spanish

Official language in

SpainMexicoColombiaArgentinaPeruVenezuelaChileEcuadorGuatemalaCubaBoliviaDominican RepublicHondurasParaguayEl SalvadorNicaraguaCosta RicaPanamaUruguayEquatorial Guinea

Related languages we support

Frequently asked questions about Spanish live captions for doctor appointments

Does Soniox App work for Spanish speakers across different countries?arrow_downward
Yes. Spanish is spoken across Spain, Mexico, Colombia, Argentina, Peru, Venezuela, and 15 more countries, and every region has its own accent, pace, and everyday vocabulary. Soniox App is trained on real-world Spanish speech from multiple regions, so it stays accurate whether you are at home or traveling to another Spanish-speaking country.
How well does Soniox App handle Spanish as it is actually spoken day to day?arrow_downward
Very well. Spanish has 500 million speakers across 21 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 Spanish from multiple regions, so it stays accurate regardless of who is speaking or where they are from.
How accurate is Soniox for Spanish compared to other providers?arrow_downward
Soniox achieves a 5.3% word error rate for Spanish, outperforming AssemblyAI, Speechmatics, ElevenLabs, and 5 other providers in independent benchmarks. Lower word error rate means fewer mistakes in your transcripts.
What writing system does Spanish use?arrow_downward
Spanish is written in the Latin script. The script uses diacritical marks to convey additional phonetic information. Soniox App handles Spanish text natively, including all script-specific characters.
Does Soniox handle different Spanish dialects?arrow_downward
Spanish has several recognized varieties, including Castilian, Latin American Spanish, Andalusian, Rioplatense, and others. Soniox is trained on diverse Spanish speech data, so it handles regional variation and dialectal differences effectively.
What language family does Spanish belong to?arrow_downward
Spanish belongs to the Indo-European > Romance > Western Romance language family. Among the languages Soniox supports, related languages include Portuguese, French, Italian, Catalan, and Galician. 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.
Does Smart Scribe work in real-time?arrow_downward
Yes. Smart Scribe transcribes and processes speech as it's spoken, without waiting for pauses or the end of a conversation.
Does Smart Scribe identify who is speaking?arrow_downward
Yes. Smart Scribe detects and separates speakers, making transcripts easier to read and follow.
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.