VAPI•4mo ago

Cartesian voice is slower than usual

Hi there, my assistant in vpi that i am using with a carteisan voice, has become slow when saying sentences that has filler words.
Can anyone help

This is the call id: 29802f6e-bd7b-4bec-8532-1acb491af766

VapiAPP•9/6/25, 2:03 PM

Hi there,

Thank you for your message. Our team is currently out of the office. We operate Monday through Friday, from 9:00 AM to 8:00 PM Pacific Standard Time (PST).

We’ll get back to you as soon as possible during our normal business hours.

If your message is urgent, please mark it accordingly or include “URGENT” in the subject line, and we’ll do our best to respond promptly.

Warm regards,
Vapi
Customer Support Team

VapiAPP•9/6/25, 3:37 PM

Hi nightcrawler,

If you're experiencing slower-than-usual voice output with Cartesia, you may want to check and adjust the speedspeed property. As of the recent updates, the speedspeed property now accepts both predefined speed values ('slowest', 'slow', 'normal', 'fast', 'fastest') and numeric values between -1 and 1 for more precise control. You can adjust these settings to see if they align the voice output speed with your expectations. For more details, you can refer to the June 13, 2025 changelog.

developed-pink•9/7/25, 7:50 AM

It is not slower, it is broken!!

developed-pink•9/7/25, 7:50 AM

We had lots of calls in produciton overnight, but they were tebbirle, @Vapi you need to inform people about breaking changes personally!

Ccomprehensive-tomato Hi nightcrawler, If you're experiencing slower-than-usual voice output with Car...

ordinary-sapphire•9/8/25, 1:40 PM

yep, it was a problem for us with Cartesia provider

VapiAPP•9/10/25, 6:31 AM

Thank you for reporting this issue. We will look into Cartesia and the issues that it is causing

Cartesian voice is slower than usual

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