Cartesia Sonic
Sonic is the fastest human-like voice API.
Speechki ChatGPT Plugin: anything audio
Transform any generated texts into audio right in ChatGPT
Updated February 2026
| Cartesia Sonic | Speechki ChatGPT Plugin: anything audio | |
|---|---|---|
| Rating | 5.0★ | 4.6★ |
| Reviews | 15 | 25 |
| Pros | 4 | 10 |
| FactScore™ | 60.2 | 64.5 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Cartesia Sonic — Pros
Fast performance Real-time voice experiences Ease of use Diverse voice libraryBoth tools — Pros
—Only in Speechki ChatGPT Plugin: anything audio — Pros
Integrates with ChatGPT Realistic text-to-speech Easy to use Natural sounding speech Wide variety of voices AI-powered Enhances productivity Affordable pricing Music generation Multilingual supportOnly in Cartesia Sonic — Cons
—Both tools — Cons
—Only in Speechki ChatGPT Plugin: anything audio — Cons
Voice quality issues in non-English languages Loading issues Lack of support options Limited voice customization Service reliability concernsDetails
| Cartesia Sonic | Speechki ChatGPT Plugin: anything audio | |
|---|---|---|
| Categories | Podcasting Tools, AI Voice Agents, Text-to-Speech Software | AI Voice Agents, Text-to-Speech Software, Prompt Engineering Tools |
| Platforms | Web | Web |
| Became Popular | May 29, 2024 | June 1, 2023 |
| Website | cartesia.ai | speechki.io |
Who Should Pick Which?
Choose Cartesia Sonic if...
- Fast performance
- Real-time voice experiences
- Ease of use
Choose Speechki ChatGPT Plugin: anything audio if...
- Integrates with ChatGPT
- Realistic text-to-speech
- Easy to use
With a FactScore™ of 60.2 vs 64.5, Speechki ChatGPT Plugin: anything audio leads in community reception. Cartesia Sonic uniquely offers Fast performance and Real-time voice experiences, while Speechki ChatGPT Plugin: anything audio stands out for Integrates with ChatGPT and Realistic text-to-speech.
What Users Say
Cartesia Sonic
Cartesia is amazing! They have enabled us to reduce system latency by hundreds of milliseconds – critical to making our conversations feel natural. Their streaming in, streaming out interface, pyth...
Cartesia is a game-changer for us. They provide high-quality voice APIs which are extremely fast and budget-friendly.
Fast, high-quality voice models in multiple languages. Great team and great product velocity.
Speechki ChatGPT Plugin: anything audio
The ChatGPT Voiceover Plugin by Speechki is an incredible AI innovation, enhancing our daily experiences. It provides an AI-powered personal narrator for ChatGPT-generated text, instantly transform...
🎉 Speechki ChatGPT Voiceover Plugin is a game-changer! ✨ I highly recommend Speechki ChatGPT Voiceover Plugin to anyone who wants to enhance their productivity, make their user experience more im...
These founders are scammers. They ran a LTD on Appsumo.com few months back, and now suddenly dropped an email saying they are going to shut down their services. And surprisingly, they are launching...
Related Comparisons
Frequently Asked Questions
Which is better, Cartesia Sonic or Speechki ChatGPT Plugin: anything audio?
Based on FactScore™, Speechki ChatGPT Plugin: anything audio leads with a score of 64.5 vs 60.2. Speechki ChatGPT Plugin: anything audio has a higher rating of 4.6★ compared to 5.0★.
What are the pros of Cartesia Sonic compared to Speechki ChatGPT Plugin: anything audio?
Cartesia Sonic uniquely offers: Fast performance, Real-time voice experiences, Ease of use, Diverse voice library.
What are the pros of Speechki ChatGPT Plugin: anything audio compared to Cartesia Sonic?
Speechki ChatGPT Plugin: anything audio uniquely offers: Integrates with ChatGPT, Realistic text-to-speech, Easy to use, Natural sounding speech, Wide variety of voices.
Is Cartesia Sonic better rated than Speechki ChatGPT Plugin: anything audio?
Cartesia Sonic is rated 5.0★ from 15 reviews. Speechki ChatGPT Plugin: anything audio is rated 4.6★ from 25 reviews.
What is the FactScore™ of Cartesia Sonic and Speechki ChatGPT Plugin: anything audio?
FactScore™ weighs rating and review volume together. Cartesia Sonic scores 60.2 and Speechki ChatGPT Plugin: anything audio scores 64.5.
Don't Get Fooled by Fake Social Media Videos
The world's first fact checker for social media. Paste any link and get an instant credibility score with sources.
Try FactCheckTool Free