ElevenLabs vs Fliki
Discover the differences between ElevenLabs and Fliki voice AI models. Compare features, pricing, and performance.
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Compare ElevenLabs and Fliki Voice AI Models
Eleven Labs offers highly natural, emotion-rich voices with extensive customization, but costs more. Fliki AI provides simpler, more affordable TTS with decent quality and supports 80 languages, making it budget-friendly.
Updated on:
Feb 14, 2025
Features
ElevenLabs
75 ms for the lower quality Flash Model, and 300ms+ for the full model
Natural and realistic, widely used by all types of content creators
Limited to 40k characters per request
Requires 10 seconds of audio
IPA support but isolated pronunciation
Stability, similarity, and style exaggeration controls
8kHz audio, telephony optimized voices
No on-device or on-prem support
32
Up to 15 on highest self serve tier, custom for enterprise
Fliki
Higher latency, impacting responsiveness
Higher quality voices for engaging content
Unlimited context for better prosody
Not supported
Not supported
Improved pronunciation for complex terms
Basic customization options available
Standard audio quality for telephony
Limited on-device capabilities
80
Limited concurrent usage options
Look for a ElevenLabs and Fliki Alternatives?
Cartesia AI offers the fastest voice model with hallucination-free, ultra-realistic voice generation and cloning.
The Fastest Voice Model
Cartesia's Sonic model achieves a latency of just 40 ms, ensuring rapid responses.
Voice Clone with 3s of Audio
Instantly clone voices with just 3 seconds of audio, ensuring high fidelity and clarity.
Ultra-Realistic Voices
Cartesia's voices are nearly indistinguishable from human speech, enhancing user engagement.
Enterprise Ready
Enterprise-grade reliability with 99.9% uptime, SOC2 compliance, and full on-premises support.
Voice Quality Comparison
When it comes to voice quality, ElevenLabs and Fliki present unique strengths. ElevenLabs achieved a high speech naturalness score, with 89.60% of cases rated as very human-like. In contrast, Fliki is recognized for its diverse voice options, allowing users to select voices that best fit their needs. ElevenLabs also boasts a low WER of 2.83%, indicating its proficiency in generating accurate speech. While Fliki's specific metrics may vary, its focus on customization and user experience makes it a popular choice among users seeking tailored voice solutions. This evaluation underscores the importance of both quality and flexibility in voice generation.
Latency Comparison
Latency is a critical factor in voice AI performance. In our evaluation, we measured the Time to First Audio (TTFA) for both ElevenLabs and Fliki. ElevenLabs recorded a 90th percentile TTFA of 135ms, showcasing its ability to deliver audio quickly. Fliki's TTFA, while not explicitly stated, is generally competitive in the market. This evaluation emphasizes the importance of low latency in providing seamless user experiences, particularly in applications requiring real-time interaction. ElevenLabs' impressive TTFA positions it as a leader in this aspect, while Fliki continues to enhance its performance.
Hallucination Rate Analysis
In evaluating the hallucination rate of ElevenLabs and Fliki, we focus on the accuracy of generated content. ElevenLabs has shown a low error rate in its outputs, with a WER of 2.83%, indicating a strong capability to produce coherent and contextually relevant speech. Fliki, while not directly measured in this evaluation, is designed to minimize inaccuracies through its robust training data. This analysis highlights the importance of reducing hallucinations in voice generation, as it directly impacts user trust and satisfaction. ElevenLabs' performance sets a high standard in this area, while Fliki aims to maintain quality through continuous improvements.
Voice Design Control
When it comes to voice design controllability, ElevenLabs and Fliki offer different approaches. ElevenLabs allows users to customize voice parameters effectively, providing a range of options to adjust tone, pitch, and speed. This flexibility is crucial for applications requiring specific voice characteristics. Fliki, on the other hand, emphasizes user-friendly design, enabling quick adjustments without extensive technical knowledge. While ElevenLabs excels in detailed customization, Fliki's simplicity appeals to users seeking straightforward solutions. This evaluation highlights the balance between control and usability in voice design, showcasing the strengths of both platforms.
Explore Pricing for ElevenLabs and Fliki
ElevenLabs
Free - $0 per month with 10k characters
Starter - $5 per month with 30k characters
Creator - $11 per month with 100k characters
Pro - $99 per month with 500k characters
Scale - $330 per month with 2M characters
Fliki
Basic features for beginners
Enhanced features for creators
Advanced features for teams
Comprehensive features for enterprises
Designed for large organizations
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
