The #1 Text-to-Speech API for LangChain, CrewAI, AutoGen & OpenAI agents.
28+ natural voices • 9 languages • Sub-second latency
See how LangVoice transforms text into incredibly realistic speech.
Transform any text into natural speech
Input Text:
Welcome to LangVoice! Our AI technology creates incredibly realistic voices that sound just like humans. Perfect for podcasts, videos, audiobooks, and more.
Heart
Female • American
Warm & Friendly
Michael
Male • American
Professional
Sarah
Female • British
Conversational
Fenrir
Male • American
Deep & Authoritative
Bella
Female • American
Energetic
Eric
Male • British
Calm & Clear
Powerful SDKs for Python & JavaScript. Build voice-enabled AI agents with LangChain, CrewAI, AutoGen & OpenAI in minutes.
Choose from a diverse collection of ultra-realistic AI voices with different accents, genders, and speaking styles.
Generate speech in English, Spanish, French, German, Hindi, Japanese, Korean, Chinese, and Portuguese.
Create dialogues with multiple AI voices seamlessly blended in a single audio file. Perfect for podcasts!
Build voice-enabled agents with LangChain, CrewAI, AutoGen, and OpenAI. Give your AI agents the power of speech!
Get your audio in seconds. Our optimized infrastructure with 11 parallel endpoints delivers results faster than anyone.
Bank-level encryption, GDPR compliance, and secure API access. Your data is always protected.
Official Python and JavaScript SDKs with full TypeScript support. Integrate in minutes, not days.
Crystal-clear audio output at 44.1kHz. Perfect for podcasts, videos, audiobooks, and more.
Join thousands of developers, content creators, and businesses building the future of voice.
Content Creator @ YouTube
"LangVoice has completely transformed my workflow. I used to spend hours recording voiceovers, now I generate them in seconds. The quality is indistinguishable from human speech!"
Podcast Producer @ AudioWave Studios
"The multi-voice feature is a game-changer. I can create entire podcast episodes with different speakers without hiring voice actors. The ROI is incredible."
E-Learning Developer @ EduTech Corp
"We've produced over 500 training modules using LangVoice. The consistency and quality across different voices and languages is remarkable. Highly recommended!"
App Developer @ TechStartup Inc
"The API integration was incredibly smooth. Within an hour, we had voice capabilities in our app. The documentation is excellent and support is top-notch."
Marketing Director @ Global Brands Co
"We use LangVoice for all our video ads now. Being able to quickly test different voices and scripts has improved our conversion rates by 40%."
Audiobook Publisher @ StoryTime Media
"The natural intonation and emotion in the voices is impressive. Our listeners often can't tell it's AI-generated. That's the ultimate compliment!"
Content Creator @ YouTube
"LangVoice has completely transformed my workflow. I used to spend hours recording voiceovers, now I generate them in seconds. The quality is indistinguishable from human speech!"
Podcast Producer @ AudioWave Studios
"The multi-voice feature is a game-changer. I can create entire podcast episodes with different speakers without hiring voice actors. The ROI is incredible."
E-Learning Developer @ EduTech Corp
"We've produced over 500 training modules using LangVoice. The consistency and quality across different voices and languages is remarkable. Highly recommended!"
App Developer @ TechStartup Inc
"The API integration was incredibly smooth. Within an hour, we had voice capabilities in our app. The documentation is excellent and support is top-notch."
Marketing Director @ Global Brands Co
"We use LangVoice for all our video ads now. Being able to quickly test different voices and scripts has improved our conversion rates by 40%."
Audiobook Publisher @ StoryTime Media
"The natural intonation and emotion in the voices is impressive. Our listeners often can't tell it's AI-generated. That's the ultimate compliment!"
Audiobook Publisher @ StoryTime Media
"The natural intonation and emotion in the voices is impressive. Our listeners often can't tell it's AI-generated. That's the ultimate compliment!"
Marketing Director @ Global Brands Co
"We use LangVoice for all our video ads now. Being able to quickly test different voices and scripts has improved our conversion rates by 40%."
App Developer @ TechStartup Inc
"The API integration was incredibly smooth. Within an hour, we had voice capabilities in our app. The documentation is excellent and support is top-notch."
E-Learning Developer @ EduTech Corp
"We've produced over 500 training modules using LangVoice. The consistency and quality across different voices and languages is remarkable. Highly recommended!"
Podcast Producer @ AudioWave Studios
"The multi-voice feature is a game-changer. I can create entire podcast episodes with different speakers without hiring voice actors. The ROI is incredible."
Content Creator @ YouTube
"LangVoice has completely transformed my workflow. I used to spend hours recording voiceovers, now I generate them in seconds. The quality is indistinguishable from human speech!"
Audiobook Publisher @ StoryTime Media
"The natural intonation and emotion in the voices is impressive. Our listeners often can't tell it's AI-generated. That's the ultimate compliment!"
Marketing Director @ Global Brands Co
"We use LangVoice for all our video ads now. Being able to quickly test different voices and scripts has improved our conversion rates by 40%."
App Developer @ TechStartup Inc
"The API integration was incredibly smooth. Within an hour, we had voice capabilities in our app. The documentation is excellent and support is top-notch."
E-Learning Developer @ EduTech Corp
"We've produced over 500 training modules using LangVoice. The consistency and quality across different voices and languages is remarkable. Highly recommended!"
Podcast Producer @ AudioWave Studios
"The multi-voice feature is a game-changer. I can create entire podcast episodes with different speakers without hiring voice actors. The ROI is incredible."
Content Creator @ YouTube
"LangVoice has completely transformed my workflow. I used to spend hours recording voiceovers, now I generate them in seconds. The quality is indistinguishable from human speech!"
Start free and scale when you're ready. 150% cheaper than competitors!
Perfect for trying out LangVoice and personal projects
Custom solutions for teams and businesses at scale
Our enterprise team will work with you to create a tailored solution that fits your specific needs, including custom voice training, dedicated infrastructure, and SLA guarantees.
Response within 24 hours
Stay updated with the latest tutorials, guides, and insights about AI voice technology and text-to-speech.
Discover how LangVoice achieves lightning-fast text-to-speech with unlimited scalability. Learn about our parallel GPU processing, intelligent orchestration, and auto-scaling architecture that processes 10,000+ characters in under 10 seconds.
Learn how to give your AI agents the power of speech. Complete integration guide for building voice-enabled autonomous agents using LangVoice with popular frameworks like LangChain, CrewAI, AutoGen, and OpenAI Agents SDK.
Discover how AI voice technology has evolved and learn how to choose the best text-to-speech solution for your needs. From podcasts to audiobooks, AI voices are revolutionizing content creation.
Step-by-step tutorial on creating realistic dialogues and conversations using multiple AI voices. Perfect for podcasts, video content, and interactive applications.
Learn industry best practices for integrating TTS APIs into your applications. Optimize for performance, cost, and user experience with these proven strategies.
A comprehensive guide to producing high-quality audiobooks using AI text-to-speech technology. Includes tips on voice selection, pacing, and post-production.
Everything you need to know about LangVoice.
Still have questions? We're here to help!
Contact our support team →Join 1K+ creators, developers, and businesses using LangVoice to create stunning voiceovers. Start free today.