Portuguese Speech to Text
Convert Portuguese speech-to-text with high accuracy, low latency, and enterprise-grade scalability. Deepgram delivers real-time and batch transcription through a developer-first speech-to-text API.
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Fast and accurate Portuguese speech recognition for real-world audio
Get real-time Portuguese speech-to-text in under 300 ms while maintaining high accuracy in noisy, accented, or overlapping conversations.

Build Portuguese Voice Agents with Flux Multilingual
Build and scale global voice agents with one model
Supports 10 languages in a single conversational model, enabling teams to build and deploy voice agents globally with one integration. No per-language infrastructure or model orchestration required.
Ultra-low latency conversational speech recognition
Model-based turn detection delivers accurate end-of-turn decisions in under 400 ms, keeping conversations fluid and responsive across languages.
Monolingual-grade accuracy with real-time control
Flexible real-time control through language hints or automatic detection, with native code-switching and dynamic adaptation as conversations evolve.
Portuguese Language Overview
Speakers: 279 million total speakers
Regions: Brazil, Portugal, Angola, Mozambique, Guinea-Bissau, Cape Verde, São Tomé and Príncipe, Equatorial Guinea, East Timor, Macau
Dialects: Brazilian Portuguese, European Portuguese, African Portuguese, Azorean and Madeiran Portuguese
Writing system: Latin alphabet with diacritics (á, â, ã, à, é, ê, í, ó, ô, õ, ú)
Language family: Indo-European > Romance > Western Romance > Ibero-Romance
Portuguese is widely used across South America, Southern Europe, Africa, and Asia, making it a key language for call center analytics, customer support AI, healthcare telemedicine, media transcription and captioning, e-learning platforms, legal documentation, and multilingual voice agents serving Brazil's massive market and Portuguese-speaking communities worldwide.

Portuguese Speech-to-Text Capabilities
Deepgram includes everything required to produce accurate, readable, and secure Portuguese transcripts out of the box.
Diarization
Automatically detect and label who is speaking in multi-speaker Portuguese conversations.
Smart formatting
Apply automatic capitalization, paragraphing, and clean transcript structure for Portuguese text.
Search
Instantly find words or phrases inside long Portuguese recordings without reprocessing audio.
Utterances
Segment streaming Portuguese audio into real-time sentence-level units for voice agents.
Punctuation
Add accurate punctuation and capitalization to Portuguese transcripts for easy reading.
Redaction
Automatically remove sensitive data like credit cards, phone numbers, and PII from Portuguese transcripts.
Portuguese Speech-to-Text features

Keyterm prompting for Portuguese
Boost recognition of brand names, product terms, and domain-specific vocabulary in Portuguese audio to improve keyword recall and transcript accuracy.

Automatic language detection
Identify when audio is spoken in Portuguese and transcribe it without pre-selecting a language. For mixed-language datasets, sources, and batch transcription pipelines.

Multilingual speech recognition
Transcribe audio where speakers switch between Portuguese and other supported languages in the same stream without model swapping or post processing required.
Scale beyond Portuguese with one API
Start with Portuguese speech-to-text, then expand to 45+ languages using the same API, models, and tooling.
Frequently Asked Questions
Ready to build with Portuguese speech to text?
Start transcribing Portuguese audio with Deepgram's speech to text API. It is fast, accurate, and built for real-time applications.
