Fastest speech synthesis AI with no hallucination

Explore AI speech synthesis for lifelike voices.

Trusted by 50K+ Customers

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Trusted by 50K+ Customers

Thoughtly logo

Discover advanced capabilities

Experience ai speech synthesis with multilingual support and fine-grained control over pitch, speed, and emotion.

Multilingual voices

Access a global audience with ai speech synthesis supporting multiple languages, ensuring your content is universally understood.

No hallucination

Enjoy crystal-clear audio with ai speech synthesis that eliminates errors, maintaining authenticity and clarity.

Ultra-fast response

Generate high-quality voices in real-time with ai speech synthesis, ensuring seamless and engaging interactions.

Instantly clone a voice from a 3 second clip Scale up to hours of data with Fine-Tuning

Sonic's voice cloning preserves your unique speaking style, accent, background, emotion, and other vocal characteristics, creating a voice that sounds identical to the original.

Surprised British Man

Cloned Surprised British Man

Overlord - an evil and robotic voice

Cloned Overlord

Our voice cloning keeps your unique accent, ensuring your distinct speech characteristics remain authentic in the final output.

Transcript: From just a few seconds of audio, Cartesia can capture even the most nuanced of accents

Your unique audio style across natural soundscapes—from bustling city streets to bird-filled jungles—can be perfectly preserved with Sonic's voice cloning, unleashing your creative potential.

Instantly clone a voice from a 3 second clip Scale up to hours of data with Fine-Tuning

Sonic's voice cloning preserves your unique speaking style, accent, background, emotion, and other vocal characteristics, creating a voice that sounds identical to the original.

Surprised British Man

Cloned Surprised British Man

Overlord - an evil and robotic voice

Cloned Overlord

Our voice cloning keeps your unique accent, ensuring your distinct speech characteristics remain authentic in the final output.

Transcript: From just a few seconds of audio, Cartesia can capture even the most nuanced of accents

Your unique audio style across natural soundscapes—from bustling city streets to bird-filled jungles—can be perfectly preserved with Sonic's voice cloning, unleashing your creative potential.

Instantly clone a voice from a 3 second clip Scale up to hours of data with Fine-Tuning

Sonic's voice cloning preserves your unique speaking style, accent, background, emotion, and other vocal characteristics, creating a voice that sounds identical to the original.

Surprised British Man

Cloned Surprised British Man

Overlord - an evil and robotic voice

Cloned Overlord

Our voice cloning keeps your unique accent, ensuring your distinct speech characteristics remain authentic in the final output.

Transcript: From just a few seconds of audio, Cartesia can capture even the most nuanced of accents

Your unique audio style across natural soundscapes—from bustling city streets to bird-filled jungles—can be perfectly preserved with Sonic's voice cloning, unleashing your creative potential.

Make your content accessible to a global audience

Sonic supports seamless speech in 15 languages, with more added every release.

15 Languages

From Japanese to German—any language you need, we’ve got it.

Localization

Localize a given voice to any accent or language.

German

English

Spanish

French

Japanese

Portuguese

Chinese

Italian

Make your content accessible to a global audience

Sonic supports seamless speech in 15 languages, with more added every release.

15 Languages

From Japanese to German—any language you need, we’ve got it.

Localization

Localize a given voice to any accent or language.

German

English

Spanish

French

Japanese

Portuguese

Chinese

Italian

Make your content accessible to a global audience

Sonic supports seamless speech in 15 languages, with more added every release.

15 Languages

From Japanese to German—any language you need, we’ve got it.

Localization

Localize a given voice to any accent or language.

German

English

Spanish

French

Japanese

Portuguese

Chinese

Italian

Lifelike, expressive voices for every use case

Support

Power support experiences that delight your customers.

Gaming

Bring your storytelling to life with immersive voices

Content

Create content that engages viewers and drives clicks.

Media

Narrate content for podcasts, news, and publishing.

Healthcare

Empower healthcare with voices that patients trust.

Sales

Scale sales with lifelike voices that lead to conversions.

Voice Agents

Build responsive AI voice agents for any use case.

Dubbing

Go global with localized voices and accents for every language.

Avatars

Create expressive, relatable AI avatars for any use case.

Logistics

Automate complex logistics with voice-enabled systems.

Recruiting

Screen candidates with AI-powered voice interviews.

Accessibility

Make your content accessible to anyone, anywhere.

Lifelike, expressive voices for every use case

Support

Power support experiences that delight your customers.

Gaming

Bring your storytelling to life with immersive voices

Content

Create content that engages viewers and drives clicks.

Media

Narrate content for podcasts, news, and publishing.

Healthcare

Empower healthcare with voices that patients trust.

Sales

Scale sales with lifelike voices that lead to conversions.

Voice Agents

Build responsive AI voice agents for any use case.

Dubbing

Go global with localized voices and accents for every language.

Avatars

Create expressive, relatable AI avatars for any use case.

Logistics

Automate complex logistics with voice-enabled systems.

Recruiting

Screen candidates with AI-powered voice interviews.

Accessibility

Make your content accessible to anyone, anywhere.

Lifelike, expressive voices for every use case

Support

Power support experiences that delight your customers.

Gaming

Bring your storytelling to life with immersive voices

Content

Create content that engages viewers and drives clicks.

Media

Narrate content for podcasts, news, and publishing.

Healthcare

Empower healthcare with voices that patients trust.

Sales

Scale sales with lifelike voices that lead to conversions.

Voice Agents

Build responsive AI voice agents for any use case.

Dubbing

Go global with localized voices and accents for every language.

Avatars

Create expressive, relatable AI avatars for any use case.

Logistics

Automate complex logistics with voice-enabled systems.

Recruiting

Screen candidates with AI-powered voice interviews.

Accessibility

Make your content accessible to anyone, anywhere.

How to use speech synthesis AI

Step One

Visit Cartesia's website and explore their AI speech synthesis tools. Sign up for an account to get started.

Step Two

Select your desired voice and language settings. Use the AI tools to input text and generate audio in real-time.

Step Three

Download or stream the generated audio for your project. Enjoy seamless integration with Cartesia's AI solutions.

Lifelike voice quality

Achieve natural sound with ai speech synthesis, providing users with an authentic and immersive audio experience.

Global accessibility

Make your content accessible worldwide with ai speech synthesis, supporting diverse languages and accents.

Customizable audio

Tailor your audio output with ai speech synthesis, offering precise control over voice characteristics for personalized experiences.

Frequently asked questions

What is AI Speech Synthesis?

What is AI Speech Synthesis?

What is AI Speech Synthesis?

How does AI Speech Synthesis work?

How does AI Speech Synthesis work?

How does AI Speech Synthesis work?

What are the benefits of AI Speech Synthesis?

What are the benefits of AI Speech Synthesis?

What are the benefits of AI Speech Synthesis?

Can AI Speech Synthesis be customized?

Can AI Speech Synthesis be customized?

Can AI Speech Synthesis be customized?

Is AI Speech Synthesis suitable for real-time applications?

Is AI Speech Synthesis suitable for real-time applications?

Is AI Speech Synthesis suitable for real-time applications?

What languages does AI Speech Synthesis support?

What languages does AI Speech Synthesis support?

What languages does AI Speech Synthesis support?

Fastest speech synthesis AI with no hallucination

Explore AI speech synthesis for lifelike voices.