Cepstral

by Cepstral

Long-running embedded TTS — IVR and telephony.

TL;DR

Long-running embedded TTS — IVR and telephony.

Best for legacy IVR and embedded TTS deployments with per-voice licensing. Pricing: from $29.99 per voice (desktop) / Enterprise contact sales.

Category
Products
License
Stars
Last push
Pricing
from $29.99 per voice (desktop) / Enterprise contact sales
Platforms
Linux, Windows, macOS, API

What it is

Cepstral is a long-running US TTS vendor known for IVR-grade voices with per-voice perpetual licenses. The desktop SwiftTalker product is still sold to end users. Consent posture: synthetic voices only.

Best for: Legacy IVR and embedded TTS deployments with per-voice licensing.
Watch out for: Concatenative voices — sounds dated next to neural TTS.

Install / use

cepstral.com/downloads

Features

Speaker diarizationNo
Word-level timestampsNo
Streaming / real-timeNo
Languages supported9
HIPAA eligibleNo

Cepstral vs Whipscribe

FeatureCepstralWhipscribe
CategoryProductsTranscription APIs
Pricingfrom $29.99 per voice (desktop) / Enterprise contact salesfree beta
Speaker diarizationYes
Word timestampsYes
StreamingNo
Languages999
PlatformsLinux, Windows, macOS, APIWeb, API, MCP

Alternatives to Cepstral

Whipscribe is a managed faster-whisper + whisperX service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.