Big Speak vs Deep Voice 3

Side-by-side comparison · Updated May 2026

 Big SpeakBig SpeakDeep Voice 3Deep Voice 3
DescriptionBigSpeak is an advanced AI-powered voice generation platform that offers a suite of features such as Text to Speech, Speech to Text, Text to Video, and Voice Cloning. Users can create realistic sounding audio from text, access different voice categories, and choose from multiple languages and voice actors. With both free and premium plans, it provides options for diverse needs, including up to 100,000 characters per month and advanced support for premium users, along with high-quality voice generation and transcription services.Deep Voice 3 (DV3) is a leading-edge text-to-speech (TTS) technology developed by Baidu Research. Leveraging a fully convolutional attention-based neural architecture, DV3 converts text into high-quality, natural-sounding audio. This innovative architecture enables faster training times and enhanced scalability over previous models, making DV3 a leader in TTS technology. Its core components—the encoder, decoder, and converter—work in tandem to efficiently process text and convert it into speech. DV3 is applicable in various fields like assistive technologies, customer service, education, and IoT. Its superior features include rapid training, multi-speaker support, and high output quality, capable of handling millions of queries daily on a single GPU server.
CategoryVoice ModulationText-To-Speech
RatingNo reviewsNo reviews
PricingFreemiumFree
Starting PriceFreeFree
Plans
  • Free planFree
  • Premium plan$49/mo
  • FreeFree
Use Cases
  • Content Creators
  • Educators
  • Businesses
  • Authors
  • Assistive technology developers
  • Customer service providers
  • Educational tool developers
  • Game developers
Tags
Text to SpeechSpeech to TextText to VideoVoice CloningAI-powered
text-to-speechneural architectureconvolutionalassistive technologiescustomer service
Features
Text to Speech
Speech to Text
Text to Video
Voice Cloning
Multiple language support
Different voice categories
Free and premium plans
SuperClear Voices in premium plan
Advanced email support
Up to 100,000 characters per month in premium plan
Fully-convolutional architecture enabling fast training
Three main components: Encoder, Decoder, Converter
Supports multi-speaker synthesis with speaker embeddings
Produces high-quality, natural-sounding audio
Efficient training process, ten times faster than prior models
Robust attention mechanism maintaining alignment
Scalable query handling, managing up ten million queries daily
Integrates with vocoders like WaveNet and Griffin-Lim
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