Cartesia vs Lovo
Explore the key differences between Cartesia and Lovo voice AI models. Discover features, pricing, and performance metrics.
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Comparing Cartesia and Lovo Voice AI Models
Cartesia offers ultra-fast voice generation at 90ms latency, while another provider has slower response times. Enjoy lifelike voices without hallucinations.
Updated at:
Feb 14, 2025
Features
Cartesia
90 ms + network time
Consistently rated as more natural, expressive, and realistic in blinded human evaluations
Infinite request length
Requires 5-10 seconds of audio
IPA Support, strong contextual understanding
Slider control for speed and emotion + synthetic voice mixing and design
8kHz audio, telephony optimized voices
Real-time generation on-device
28 languages with extensive dialect coverage
Up to 15 on highest self serve tier, custom for enterprise
Lovo
Higher latency, impacting responsiveness
Less depth and reliability ratings
Limited character count for longer texts
Longer audio duration needed for cloning
More audio time needed for quality replication
Isolated pronunciation
Stability and similarity controls
Standard 8kHz audio
No on-device generation
over 100 languages
Limited concurrent usage options
Voice Quality Comparison
In the realm of voice quality, Cartesia consistently outperforms competitors like Lovo. Cartesia's Sonic model has been rated with a score of 4.7 in independent evaluations, while Lovo falls short with a score of 4.38. This superior quality is attributed to Cartesia's advanced state space model architecture, which enhances clarity and emotional sensitivity in speech. Furthermore, Cartesia's voices are often described as more natural and realistic, making them ideal for applications requiring high-quality audio output.
Latency Evaluation
Latency is a critical factor in voice AI applications. Cartesia measures latency using the Time to First Audio (TTFA) metric, achieving an impressive TTFA of 199 ms. This is significantly faster than Lovo, which has a TTFA of 300 ms. Cartesia's Sonic model is built on state space models (SSMs), allowing for greater latency optimization compared to traditional transformer architectures. This efficiency ensures that users experience seamless interactions, making Cartesia a preferred choice for real-time applications.
Hallucination Rate Analysis
Cartesia excels in minimizing hallucination rates in voice cloning. With its advanced AI technology, Cartesia ensures crystal-clear audio that eliminates errors and maintains authenticity. This is a stark contrast to Lovo, which may produce less reliable outputs. Cartesia's commitment to high-quality voice cloning means that users can trust the accuracy and clarity of the generated speech, making it suitable for a wide range of applications where precision is paramount.
Voice Cloning Showdown
When it comes to voice cloning, Cartesia shines with its ability to create an instant clone from just 5 seconds of audio. This feature allows for unlimited instant voice cloning, making it a powerful tool for developers. In contrast, Lovo restricts cloning capabilities, requiring longer audio samples. Cartesia utilizes advanced embedding technology to ensure consistent, high-quality voice clones. Even in noisy environments, Cartesia preserves accents and voice quality, providing a more reliable solution for diverse applications.
Voice Design Control
Cartesia stands out by offering unique features like emotion and speed modulation, allowing users to refine voice adjustments while maintaining a natural sound. This capability enables users to create more engaging and personalized audio experiences. Additionally, Cartesia supports localization, enabling voices to adapt to different accents. In contrast, Lovo provides limited control options, focusing primarily on stability and similarity, which may not meet the needs of users seeking more dynamic voice design.
Cartesia - Advanced AI Voice Capabilities
Cartesia AI offers the fastest voice model with hallucination-free, ultra-realistic voice generation and cloning.
High-Quality Voice Cloning
Cartesia offers high-fidelity voice cloning that captures emotional depth.
Ultra-Realistic Voices
With a latency of just 135ms, Cartesia delivers lifelike speech quickly.
No Hallucinations
Cartesia ensures clear audio output, eliminating errors in voice replication.
Explore Pricing for Cartesia and Lovo Voice AI
Cartesia
Free - $0/mo. per month with 10k free credits
Pro - $5/mo. per month with 100k credits
Startup - $49/mo. per month with 1.25M credits
Scale - $299/mo. per month with 8M credits
Enterprise - trusted by Fortune 500 companies
Lovo
Basic - $24/mo. with 500 voices
Pro - $24.48/mo. with 5 hrs voice generation
Pro + - $75/mo. with 20 hrs voice generation
Custom solutions, dedicated support
What Cartesia customers say
Join the growing list of companies opting for Sonic.
"This partnership represents a transformative moment in enterprise AI adoption," said Melissa Gordon, CEO of Rasa. "By combining Rasa’s strengths in enterprise conversational AI with Cartesia's innovative voice technology, we're fundamentally changing how enterprises can deploy and scale AI assistants across their organizations."
"We're thrilled to partner with Cartesia - their technology has dramatically improved the accuracy and reliability of our call center agents. Beyond just providing best-in-class voice AI, the Cartesia team has been a true partner in helping us transform 24/7 patient support for over 215,000 patients. Their support has been instrumental in making exceptional care accessible anytime, anywhere."
Jeffrey Liu, Founder and co-CEO, Assort Health
"Together AI's mission has always been to provide developers with the most powerful and efficient tools for building AI applications," says Vipul Ved Prakash, Together AI's CEO. "Cartesia is leading the charge of building efficient, multimodal models from first principles, starting with their Sonic TTS model. By integrating Sonic into our platform, we're enabling developers to create sophisticated multi-modal applications that leverage the most advanced and lowest latency voice model available today, all while maintaining the simplicity and reliability our users expect."
