Cartesia vs Murf
Comparing Cartesia and Murf AI voice models for performance and features. Discover the best fit for your needs.
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Comparing Cartesia and Murf AI Voice Models
Cartesia offers ultra-fast voice generation with a latency of 90ms, ensuring real-time interactions. In contrast, other models may experience higher latency, impacting user experience. Cartesia's voices are lifelike and free from hallucinations, providing a more authentic audio experience.
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
25 languages with extensive dialect coverage
Up to 15 on highest self serve tier, custom for enterprise
Murf AI
Higher latency, impacting responsiveness
Lower quality ratings in evaluations
Limited character count for longer texts
Not supported
Requires at least 20 minutes of audio recording with minimal background noise and no overlapping voices
Less contextual awareness in pronunciation
Limited customization options available
Basic telephony optimization features
No on-device generation capabilities
20
Limited concurrent usage options
Voice Quality Comparison
In evaluating voice quality, Cartesia consistently outperforms Murf AI. Cartesia's Sonic model has been rated highly in independent evaluations, achieving a score of 4.7 for overall quality compared to Murf AI's lower ratings. The voices produced by Cartesia are often described as more natural and realistic, making them ideal for applications requiring high fidelity. This is supported by a human preference ranking where Cartesia was preferred in 36 out of 50 evaluations, showcasing its superior voice clarity and emotional sensitivity.
Latency Analysis
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 Murf AI, 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 near-instantaneous responses, making Cartesia a preferred choice for real-time applications.
Hallucination Rate Check
Cartesia stands out with its commitment to eliminating hallucinations in voice generation. The AI voice cloning technology ensures crystal-clear audio, maintaining authenticity and accuracy. In contrast, Murf AI may experience inconsistencies in voice replication, leading to potential distortions. Cartesia's advanced algorithms focus on delivering high-fidelity outputs, ensuring that users receive reliable and lifelike voice clones without the risk of hallucinations, making it a trustworthy option for critical applications.
Voice Cloning Showdown
When it comes to voice cloning, Cartesia excels 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 various applications. In contrast, Murf AI imposes restrictions on cloning capabilities, limiting the flexibility for users. Cartesia's advanced embedding technology ensures high-quality voice clones that maintain accents and voice quality, even in noisy conditions. Additionally, Cartesia's voice mixing and design capabilities provide a wider range of diverse voices, enhancing the overall user experience.
Voice Design Controllability
Cartesia offers unique voice design controllability features that set it apart from Murf AI. It is the only provider that allows users to adjust emotion and speed modulation, enabling refined voice adjustments while maintaining a natural sound. Additionally, Cartesia supports localization, allowing voices to adapt to various accents seamlessly. In contrast, Murf AI provides limited control options, lacking the depth of customization available with Cartesia, which enhances the overall user experience in voice applications.
Cartesia - Advanced AI Voice Capabilities
Cartesia AI offers the fastest voice model with hallucination-free, ultra-realistic voice generation and cloning.
Low Latency Performance
Cartesia's Sonic model boasts a latency of just 90ms, ensuring rapid voice generation.
High-Quality Voice Cloning
Cartesia enables instant voice cloning with just 5 seconds of audio, ensuring high fidelity.
Ultra-Realistic Voices
With advanced embedding technology, Cartesia delivers lifelike voice clones that capture nuances.
Pricing Comparison for Cartesia and Murf 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
Murf AI
Starter - $19/mo. with 50k credits and basic features
Basic - $49/mo. with 200k credits and essential features
Professional - $99/mo. with 500k credits and advanced features
Enterprise - $499/mo. with 2M credits and premium features
Custom - Pricing based on usage and features
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."
