Cartesia vs Typecast
Comparing Cartesia and Typecast Voice AI Models. Discover the strengths of each voice AI model and find the best fit for your needs.
VS
Comparing Cartesia and Typecast Voice AI Models
Cartesia offers ultra-fast voice generation with a latency of just 40ms, ensuring real-time interactions. Its voices are ultra-realistic and free from hallucinations, making it a top choice for developers seeking quality and efficiency.
Updated on:
Feb 14, 2025
Features
Cartesia
40ms for the Sonic Turbo model, 90ms for the Sonic 2 model
Consistently rated as more natural, expressive, and realistic in blinded human evaluations
Infinite request length
Requires 3 seconds of audio
IPA support with strong contextual understanding
Slider control for speed and emotion + synthetic voice mixing and design
8kHz audio, telephony optimized voices
Supports both on-prem and on-device deployments
15 languages with extensive dialect coverage
Up to 15 on highest self-serve tier (60 parallel conversations), custom for enterprise
Typecast
Higher latency, impacting responsiveness
Typecast's voice quality is less consistent in evaluations
Typecast limits requests to 40k characters
Not supported
Requires at least 20 minutes of audio
Less contextual awareness in pronunciation
Typecast offers limited customization options
Typecast lacks specific telephony optimizations
No on-device or on-prem support
30
Limited concurrent usage options
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 achieves a latency of just 135ms, ensuring rapid voice responses.
High-Quality Voice Cloning
With only 3 seconds of audio, Cartesia can create high-fidelity voice clones instantly.
Ultra-Realistic Voices
Cartesia's voices are designed to sound natural and engaging, closely mimicking human speech.
Enterprise Ready
Enterprise-grade reliability with 99.9% uptime, SOC2 compliance, and full on-premises support.
Voice Quality Comparison
In terms of voice quality, Cartesia consistently outperforms Typecast. Cartesia's Sonic model has been rated highly in independent evaluations, achieving a score of 4.7 in NISQA assessments, while Typecast falls behind with a score of 4.38. This indicates that Cartesia's voices are perceived as more natural and realistic. Furthermore, Cartesia's architecture allows for better contextual understanding and emotional sensitivity, making its voices more engaging for users across various applications.
Latency Analysis
Latency is a crucial factor in voice AI applications. Cartesia measures latency using the Time to First Audio (TTFA) metric, achieving a remarkable TTFA of 199 ms. This is significantly faster than Typecast, which has a TTFA of 832 ms at the self-serve tier. Cartesia's Sonic model leverages State Space Models (SSMs) for superior latency optimization, allowing for real-time interactions that closely mimic human conversation. This efficiency is essential for applications requiring immediate responses.
Hallucination Rate Check
Cartesia excels in minimizing hallucination rates in voice cloning. The AI voice cloning technology ensures crystal-clear audio without errors, maintaining authenticity. In contrast, Typecast may experience higher rates of distortion or inaccuracies in voice replication. Cartesia's advanced algorithms and embedding technology work together to deliver consistent, high-quality voice clones, making it a reliable choice for developers seeking realistic voice outputs.
Voice Cloning Showdown
When it comes to voice cloning, Cartesia shines with its ability to create an instant clone from just 3 seconds of audio. This feature allows for unlimited instant voice cloning, making it a powerful tool for developers. In contrast, Typecast imposes restrictions on cloning capabilities, limiting the flexibility for users. Cartesia employs advanced embedding technology to ensure high-quality voice clones that maintain accents and voice quality, even in noisy conditions. Additionally, its voice mixing and design capabilities offer a broader range of diverse voices.
Voice Design Control
Cartesia stands out by offering unique features for voice design, including emotion and speed modulation. This allows users to make refined adjustments while maintaining a natural auditory experience. Additionally, Cartesia enables localization of voices to match different accents, enhancing versatility. In contrast, Typecast offers limited control options, focusing primarily on stability and similarity, which may not provide the same level of customization for users.
Pricing Comparison for Cartesia and Typecast Plans
Cartesia
Free - $0 per month with 10k free credits
Pro - $5 per month with 100k credits
Startup - $49 per month with 1.25M credits
Scale - $299 per month with 8M credits
Enterprise - trusted by Fortune 500 companies
Typecast
Starter - $10 per month with 5k credits and basic features
Standard - $25 per month with 200k credits and additional features
Business - $99 per month with 1M credits and advanced features
Premium - $499 per month with 5M credits and priority support
Enterprise Plus — custom pricing for large-scale needs
What Cartesia Customers Say
Join the growing list of companies opting for Sonic.
"Cartesia’s voice API power dynamic and empathetic conversational experiences that are consistently dependable. What really stands out to me is how natural and considerate the responses feel—especially the empathetic tone in statements like ‘I’m sorry, that must be frustrating.’"
Sami Ghoche, CEO of Forethought
"In 1999, Salesforce brought software to the cloud. In 2025, 11x is killing software as we know it and unleashing the era of digital workers. To realise this vision, we needed AI voice technology that feels truly human. Cartesia’s technology gives our AI digital workers reps the speed, reliability, and natural expressiveness required to engage customers at scale.
It's the only solution fit for our relentless drive toward innovation.”
Keith Fearon, Head of Product & Growth, 11x
"Before conversational voice models like Cartesia, Thoughtly relied on legacy text-to-speech APIs from major cloud providers. Nearly two years later, the evolution of this technology is staggering—customers can clone their voice and hear it speaking autonomously over the phone in just 60 seconds.”
Torrey Leonard, CEO, Thoughtly
