Portuguese Speech-to-Text

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Convert Portuguese speech to text with industry-leading accuracy. Real-time voice agents and batch transcription through a single API.

Universal-3 Pro

Try uploading a file containing Portuguese speaking audio.

import assemblyai as aai

aai.settings.api_key = "YOUR_API_KEY"

audio_file = "https://assembly.ai/wildfires.mp3"

config = aai.TranscriptionConfig(
    speech_models=["universal-3-pro", "universal-2"],
    language_detection=True,
    speaker_labels=True,
)

transcript = aai.Transcriber().transcribe(audio_file, config=config)

if transcript.status == aai.TranscriptStatus.error:
    raise RuntimeError(f"Transcription failed: {transcript.error}")

print(transcript.text)

for utterance in transcript.utterances:
    print(f"Speaker {utterance.speaker}: {utterance.text}")

Portuguese Speech-to-Text

Built for every Portuguese workflow

From call centers in Sao Paulo to media companies in Lisbon — one API for transcription, understanding, and scale.

One API, no language-specific infrastructure

One integration for Portuguese transcription, Audio Intelligence, and Voice Agents — cloud or self-hosted, fully compliant.

Accurate Portuguese transcription across every dialect

Skip the translation layer and transcribe Portuguese audio accurately, even with cross-talk and background noise.

One price, every Portuguese dialect

Flat pricing across all Portuguese dialects with transcription, summaries, sentiment, and streaming in one integration.

Portuguese Speech-to-Text

Speech-to-Text Capabilities

Enable any combination of features with a single request. Mix, match, and scale as your application grows.

Speaker identification

Label speakers by name using audio context. Supports custom profiles and multi-speaker conversations.

Entity detection

Identify names, organizations, locations, dates, and other entities across every Portuguese transcript.

Automatic Language Detection

Identify when audio is spoken in Portuguese and transcribe without pre-selecting a language.

Content moderation

Detect and flag sensitive or inappropriate content in Portuguese audio automatically.

Custom formatting

Normalize dates, phone numbers, and email addresses to machine-readable formats automatically.

PII redaction

Automatically remove sensitive data like credit cards, phone numbers, and personal information from Portuguese transcripts and audio.

Translation

Transcribe in any of 99+ languages in the same API request.

Custom spelling

Boost recognition of Portuguese brand names, product terms, and domain-specific vocabulary.

Multi-channel transcription

Transcribe separate audio channels independently — ideal for Portuguese call center recordings.

Language Overview

Portuguese Language Information

Dialects: Brazilian Portuguese, European Portuguese.

Official language in: Portugal, Brazil, Angola, Mozambique, and other Lusophone nations.

Spoken in: Brazil, Portugal, and Portuguese-speaking Africa.

Compare our models

Model

Universal-3 Pro Domain-specific async audio

Universal-2 High-volume async audio

U-3 Pro Streaming Real-time voice agents, AI scribes

Universal-Streaming Multilingual Global contact centers

Portuguese Language Support

Price

$0.21 /hr

$0.15 /hr

Natural language prompting

Up to ~1,500 words

—

Up to ~1,500 words

—

Keyterm prompting

Code-switching

—

Medical Mode

—

Speaker diarization

10+ speakers

HIPAA BAA

On request

Unlimited concurrency

AI Speech-to-Text transcription in 98 languages

Our AI Speech-to-Text transcription supports every language below—just select a language and upload your audio file.

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