SESTEK Text-to-Speech

SESTEK Text-to-Speech is ranked #128 of 214 in text-to-speech software on Freedom251, made by SESTEK Text-to-Speech (The site lists offices in Wilmington, Delaware; Dubai, UAE; and Istanbul, Türkiye.). It runs on API, Linux, Self-hosted, Windows.

SESTEK Text-to-Speech plans and pricing

All plans

Pay-as-you-go Not published Pricing not published; licensing offered for business usage sestek.com · 30 Sept 2026

Subscription Not published Pricing not published; licensing offered for business usage sestek.com · 30 Sept 2026

Custom agreement Not published Custom licensing agreement sestek.com · 30 Sept 2026

Compared on text-to-speech software

Real-time guidance: Yes
Suggested replies: Yes
Knowledge retrieval: Yes
Next-best actions: Yes
Supported channels: multichannel

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SESTEK Text-to-Speech

Voice cloning: Yes
API access: Yes
Export formats: WAV,Opus,MP3,FLV
Platforms: Windows,Linux,API
What it does: SESTEK Text-to-Speech converts written content into clear, expressive, human-like speech.
Voice quality: SESTEK says its TTS uses an LLM-based neural architecture to produce natural-sounding voices.
Languages: The product supports more than 20 languages, with accent-specific voices including Gulf, Najdi, Kuwaiti, and Emirati Arabic, and American and British English.
Voice controls: Users can tune tone, pace, emphasis, and volume, and define custom pronunciations for abbreviations and specialized terms.
SSML: TTS supports commonly used SSML tags for pauses, pronunciation, external audio, and voice switching.
Custom voice: SESTEK can develop a voice reflecting an organization’s brand, and says the resulting voice model is exclusive to that organization.
Deployment: TTS is available on-premises or in the cloud; the product page says both models provide the same feature set.
Supported environments: Standard-tier voices run on Windows, Linux, Docker Compose, and Kubernetes without requiring a GPU; Premium-tier voices require a GPU and are available on Linux, Docker Compose, and Kubernetes.
Integrations: The platform supports Azure and ElevenLabs integrations and can connect with SESTEK Speech Recognition, Virtual Translator, and AI Agents.
Developer access: SESTEK says APIs and SDKs let developers add voice capabilities to existing software without significant infrastructure changes.

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Where it ranks on Freedom251

Best Text-to-Speech Software in 2026#128 of 214
Best Call Center Speech Analytics Software in 2026#3 of 34
Best Speech Analytics Software in 2026#10 of 32
Best Contact Center Analytics Software in 2026#2 of 29
Best Agent Assist Software in 2026#3 of 25

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Sources

sestek.com/products/text-to-speech· checked 20 Sept 2026
sestek.com/compliance-security· checked 29 Sept 2026
sestek.com/about-us· checked 29 Sept 2026
sestek.com/products/agent-assist· checked 28 Sept 2026
sestek.com/products/analytics· checked 28 Sept 2026