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ElevenLabs

ElevenLabs

AI voice platform offering lifelike texto para fala, professional clonagem de voz, AI dubbing in 32 languages, sound effects generation, and a Conversational AI platform for building voice agents.

Free AvailableVoice CloningTTSDubbingAPI
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Visitas mensais

27.8M

Idiomas suportados

32

Latência do modelo Flash

75ms

Plano gratuito

10,000 chars/month

Biblioteca de vozes

Thousands of voices

SDKs de API

Python, JavaScript

Introdução

ElevenLabs is an AI audio research company that has become the leading platform for realistic, contextually-aware speech synthesis and clonagem de voz. With 27.8 million monthly visits, the platform serves millions of creators, desenvolvedores, and enterprises who need alta qualidade voice generation across 32 languages. Their technology captures emotional nuance and adapts delivery based on context, producing speech that is often difficult to distinguish from human recordings.

The platform's core offerings span a comprehensive range of AI audio tools: Text-to-Speech with multiple model options (Multilingual v2 for quality, Flash v2.5 for 75ms latency), both Instant and Professional Clonagem de Voz, Speech-to-Speech voice transformation, AI Dubbing for video localization, Text-to-Sound Effects generation, and a Conversational AI platform for building interactive voice agents. Each tool is available through both a web interface and a well-documented API with SDKs for Python and JavaScript.

ElevenLabs serves diverse use cases from individual podcasters generating narration to enterprises deploying customer service voice agents. The pricing model is character-based, starting free at 10,000 characters/month and scaling through tiers up to enterprise-level volume. While the character-based pricing can become expensive at scale, the audio quality and feature breadth make ElevenLabs the benchmark that competitors are measured against in the AI voice space.

Vantagens

  • +Industry-leading voice quality and emotional realism
  • +Professional Clonagem de Voz nearly indistinguishable from original
  • +Comprehensive 32-language support
  • +Ultra-low latency Flash model (75ms) for em tempo real use
  • +Full-featured API with streaming and SDK support
  • +AI Dubbing preserves speaker voice identity across languages
  • +Conversational AI platform for building voice agents
  • +Sound effects and Voice Design generation included

Desvantagens

  • -Character-based pricing can be expensive at scale
  • -Monthly characters do not roll over
  • -PVC requires significant audio preparation (30+ min recording)
  • -Higher quality audio formats locked to upper tiers
  • -Complex pricing across multiple product lines
  • -Instant Clonagem de Voz consent verification criticized as weak

Principais funcionalidades

Text-to-Speech (TTS)

Convert text to lifelike speech with multiple models: Multilingual v2 (highest quality, 29 languages) and Flash v2.5 (ultra-low 75ms latency, 32 languages). Emotional and contextual awareness adapts delivery automatically.

Instant Clonagem de Voz (IVC)

Create voice clones almost instantly from short audio samples (1-3 minutes). Good quality for many voices using zero-shot learning. Available on Starter tier and above.

Professional Clonagem de Voz (PVC)

Hyper-realistic voice replicas from 30+ minutes of alta qualidade audio. Trains a dedicated model for the highest fidelity. Creator tier and above required.

AI Dubbing

Translate and dub video content into 29 languages while preserving original speaker voice identity, emotion, and timing. Automatic speaker detection with Dubbing Studio for refinement.

Voice Changer (Speech-to-Speech)

Transform voice recordings into different target voices while preserving emotion, cadence, accent, and performance nuance from the original.

Text-to-Sound Effects

Generate custom sound effects, ambient audio, and short instrumental tracks from text descriptions. Up to 30 seconds with adjustable prompt influence.

Voice Design

Create entirely new synthetic voices from text descriptions specifying age, accent, gender, tone, pitch, and emotion without any audio samples.

Voice Library

Access thousands of pre-made and community-shared voices. Share your PVCs publicly to earn rewards when others use them.

Conversational AI Platform

Build and deploy interactive voice agents with integrated ASR, LLM choice (GPT, Claude, Gemini), baixa latência TTS, and turn-taking logic. Supports telephony and web deployment.

Studio (Projects)

Long-form content workspace for audiobooks and podcasts with chapter management, multi-speaker assignment, fragment regeneration, and pronunciation dictionaries.

Quem deve usar

Audiobook and Podcast Production

Produce long-form audio content using the Studio (Projects) feature with chapter management, multi-speaker assignment, and pronunciation dictionaries. Professional Clonagem de Voz allows consistent narrator voices across entire book series. Fragment regeneration lets you fix specific sentences without re-generating everything.

Authors, publishers, podcast producers, and narration studios

Video Dubbing and Localization

Translate and dub video content into 29 languages while preserving the original speaker's voice identity and emotion. The Dubbing Studio provides transcript editing, per-speaker voice tuning, and timeline synchronization for professional results.

Video producers, localization teams, and content distributors

Conversational AI Voice Agents

Build and deploy interactive voice agents for customer support, sales, and virtual assistance using the Conversational AI platform. Integrates speech recognition, LLM choice (GPT, Claude, Gemini), baixa latência TTS, and turn-taking logic with web and telephony deployment.

Customer service teams, desenvolvedores, and enterprise IT departments

Content Creator Voiceovers

Generate voiceovers for YouTube videos, explainer content, social media, and e-learning materials. Choose from thousands of pre-made voices or clone your own. The Voice Design feature creates entirely new voices from text descriptions without any audio samples.

YouTubers, course creators, and marketing teams

Planos de preços

Free

$0/para sempre
  • 10,000 characters/month (~10 min TTS)
  • 3 custom voices
  • 15 Conversational AI minutes
  • Basic features access
  • No commercial license
  • 128kbps MP3 max quality

Starter

$5/mês

$1 first month promotional offer

  • 30,000 characters/month (~30 min)
  • 10 custom voices
  • Instant Clonagem de Voz
  • 50 Conversational AI minutes
  • Licença comercial
  • 128kbps MP3 quality
  • Acesso à API
Recomendado

Creator

$22/mês

$11 first month promotional offer

  • 100,000 characters/month (~100 min)
  • 30 custom voices
  • Professional Clonagem de Voz
  • 100-250 Conv AI minutes
  • Studio (Projects) access
  • 192kbps MP3 via API
  • Pronunciation dictionaries

Pro

$99/mês
  • 500,000 characters/month (~8 hrs)
  • 160 custom voices
  • All Creator features
  • 500-1100 Conv AI minutes
  • Usage analytics painel
  • 44.1kHz PCM highest quality
  • Prioridade rendering

Comparativo

ElevenLabs vs Murf.ai

ElevenLabs and Murf.ai both offer texto para fala and voice generation, but they target different segments. ElevenLabs leads in voice quality and API capabilities, while Murf positions itself as a more accessible studio tool with built-in video editing.

ElevenLabs se destaca em

  • +Superior voice quality and emotional nuance
  • +Professional Clonagem de Voz with hyper-realistic results
  • +Conversational AI platform for voice agents
  • +More comprehensive API with streaming support

Murf.ai se destaca em

  • +Murf offers a simpler, more visual studio interface
  • +Murf includes basic video editing capabilities
  • +Murf's pricing is more straightforward for small users
  • +Murf's colaboração em equipe features are more built-in

ElevenLabs vs Play.ht

ElevenLabs and Play.ht compete in the texto para fala market with different strengths. ElevenLabs excels in clonagem de voz and API capabilities, while Play.ht focuses on criação de conteúdo fluxo de trabalhos and WordPress integração.

ElevenLabs se destaca em

  • +More realistic clonagem de voz (especially PVC)
  • +Lower latency with Flash model (75ms)
  • +Broader feature set (dubbing, sound effects, conversational AI)
  • +More languages supported (32 vs Play.ht's offerings)

Play.ht se destaca em

  • +Play.ht offers ilimitado word generation on some plans
  • +Play.ht has native WordPress and blog integração
  • +Play.ht's pricing is simpler for content-focused users
  • +Play.ht offers podcast hosting features

1. Primeiros Passos with TTS

**First Generation:** 1. Create account at elevenlabs.io (email or Google) 2. Navigate to Speech Synthesis (Playground) 3. Type or paste your text in the input box 4. Select a voice from the dropdown (try "Brian" or "Rachel") 5. Choose model: Flash v2.5 for speed, Multilingual v2 for quality 6. Click Generate and listen to the result **Basic Voice Settings:** - **Stability** (50-65%): Lower = more expressive, Higher = more consistent - **Similarity**: How closely output matches original voice (for clones) - **Style Exaggeration** (0-15%): Amplifies speaking style - **Speed** (0.7-1.2): Adjust speaking rate **Tip:** The AI interprets emotional context from text. Write "she said sadly" or use punctuation like exclamation marks to guide delivery.

2. Clonagem de Voz Guide

**Instant Clonagem de Voz (IVC):** 1. Go to VoiceLab section 2. Click "Add Voice" then "Instant Voice Clone" 3. Upload 1-3 minutes of clear audio (MP3 128kbps+) 4. Name your voice and confirm consent 5. Save and use immediately **Professional Clonagem de Voz (PVC):** Requires Creator tier ($22/month) or higher 1. Prepare 30+ minutes of alta qualidade audio (up to 2-3 hours ideal) 2. Ensure consistent tone, volume, and no ruído de fundo 3. Submit for training (3-8 hours processing time) 4. Result: Hyper-realistic clone indistinguishable from original **Audio Quality Best Practices:** - Clear recordings without reverb or noise - Consistent speaking style throughout - Optimal volume: -23 to -18 dB RMS - Avoid highly dynamic performances - Same microphone/recording setup **Note:** PVCs can be shared in Voice Library to earn rewards. IVCs cannot be shared.

3. AI Dubbing Workflow

**Dubbing Process:** 1. Go to Dubbing section 2. Upload video or paste URL (YouTube, TikTok, Vimeo supported) 3. Select target language(s) from 29 options 4. System auto-detects speakers and translates 5. Review in Dubbing Studio **Dubbing Studio Tools:** - **Transcript Editing**: Adjust generated transcript and translation - **Track Customization**: Fine-tune voice settings per speaker - **Clip Management**: Merge, split, delete, reposition audio clips - **Clip Regeneration**: Redo specific segments with new settings - **Timeline Editor**: Precise synchronization with video **Tips for Best Results:** - Clear original audio produces better detection - Review translations for cultural accuracy - Use clip regeneration for problematic segments - Adjust speaker voice similarity settings if needed

4. API Integration

**Primeiros Passos with API:** 1. Generate API key from your account painel 2. Install SDK: `pip install elevenlabs` or `npm install elevenlabs` 3. Include key in xi-api-key header **Python Example:** ```python from elevenlabs import ElevenLabs client = ElevenLabs(api_key="your-api-key") audio = client.text_to_speech.convert( voice_id="voice-id", text="Hello, welcome to ElevenLabs!", model_id="eleven_flash_v2_5" ) ``` **Key API Features:** - **Streaming**: Real-time audio via WebSockets or SSE - **Latency Optimization**: Use Flash models (~75ms), streaming, appropriate formats - **Pronunciation Dictionaries**: Manage custom pronunciations programmatically - **Zero Retention Mode**: Immediate data deletion for sensitive content (Enterprise) **Conversational AI API:** Build voice agents with WebSocket connections supporting em tempo real speech recognition, LLM integração, baixa latência voice response, and external function calling for live data. **Audio Formats:** MP3 (22-44.1kHz, 32-192kbps), PCM (16-44.1kHz), u-law (8kHz for telephony)

Perguntas frequentes

Professional Clonagem de Voz (PVC) produces hyper-realistic results often indistinguishable from the original speaker when using 30+ minutes of quality audio. Instant Clonagem de Voz (IVC) from 1-3 minute samples is good but less precise, especially for unique voices or accents.
Instant Clonagem de Voz (IVC) uses zero-shot learning for quick results from short samples (Starter tier+). Professional Clonagem de Voz (PVC) trains a dedicated model from 30+ minutes of audio for highest fidelity (Creator tier+). PVC can be shared to earn rewards; IVC cannot.
Flash v2.5 supports 32 languages, while Multilingual v2 supports 29 languages. Supported languages include major world languages plus regional variants (US/UK English, Spain/Mexico Spanish, etc.).
Yes, all paid tiers (Starter and above) include commercial licensing. The Plano gratuito does not grant commercial rights. For sensitive use cases, Enterprise plans offer enhanced compliance features.
Credits are consumed based on characters processed. Approximately 1,000 characters equals 1 minute of audio. Spaces and punctuation count. Unused monthly credits do not roll over. Overage charges apply on paid plans when limits are exceeded.
A complete solution for building interactive voice agents combining speech recognition, LLM integração, and baixa latência TTS. Deploy on web, mobile, or telephony systems. Billed by conversation minutes (separate from TTS characters).
Users must confirm consent rights when cloning voices. PVC uses "voiceCAPTCHA" audio verification. The platform maintains prohibited use policies and "no-go voice" lists. However, IVC verification (checkbox) has been criticized as insufficient by external reviewers.
ElevenLabs offers a free AI Speech Classifier tool that analyzes audio and provides a probability score for their AI-generated content. It reports 99% precision but may be less accurate on modified audio.
Quality ranges from 128kbps MP3 on Free/Starter tiers to 192kbps MP3 on Creator, up to 44.1kHz PCM (uncompressed) on Pro and above. Higher quality formats are available through the API. Telephony uses 8kHz u-law encoding.
Yes, the Flash v2.5 model achieves approximately 75ms latency, suitable for em tempo real applications. The API supports WebSocket streaming for continuous audio output. The Conversational AI platform is specifically designed for em tempo real voice interactions.