request demo

GRAPHLOGIC
TEXT-TO-SPEECH API

Unleash Superior Speech-to-Text Capabilities with Cutting-Edge Features: Customized speech models, Speech synthesis markup language (SSML) and many more.

Speed: 50 ms latency

Demo Try it now
Demo Try it now
Speech recognition models
Graphlogic TTS
Convert text into natural-sounding speech with high efficiency and accuracy. It is optimized for low latency and high performance, making it suitable for handling large volumes of requests quickly.
Custom - Bring Your Own Model
Bring your custom models to connect to or tailor GL TTS to better fit unique vocabulary of your customers.
Features
Customised speech models
Generate voice to communicate unique brand personas of your customers
Data depersonalisation
Depersonalise data on your side to ensure data protection
Multiple languages
Multilingual support to serve your customers worldwide
Speech synthesis markup language (SSML)
Enable higher customisation in your audio response by providing details on pauses and voice pitch, and audio formatting for acronyms, dates, times, abbreviations, or text that should be censored. Enterprise-grade scalability
Enterprise-grade scalability
Handle significant workload increases while maintaining performance.
How to launch?
STEP 1
Deliver a dataset
STEP 2
A model is to be trained
STEP 3
A model is to be deployed
STEP 4
Monitor and improve the accuracy

Use Cases

  • Creating brand voices
  • Creating voice ads or for podcasts
  • Generating human-like voice for digital avatars
  • Indoor navigation for hospitals
  • Indoor navigation for museums

Frequently Asked Questions

How many languages are supported?

For now we support English, German, Spanish, Russian, and Thai

How long will it take to develop a new language?

A 1000-hour heterogeneous speech training dataset is required to develop a new language. Exact terms will be subject to the quality of this dataset and whether a model for this language already exists or not.

What is SSML?

SSML (Speech Synthesis Markup Language) is a markup language made for speech synthesis applications. It is used to apply tweaks and adjustments to synthetic voices, e.g., to make the voice higher on a specific part of speech.

See also:
  • Utilities
    December 6, 2025
    Author: Eugene Datura

    Reading the Chain: Practical Ethereum Analytics, Etherscan, and Smart Contract Verification

    Whoa! I was knee-deep in a trace the other day when somethin’ odd popped up. My first thought was “that’s impossible,” and then my gut said “check the contract.” The moment you start combing through events and internal txs you feel both empowered and kind of overwhelmed. Seriously? It can be messy. But here’s the […]

  • Utilities
    November 20, 2025
    Author: Eugene Datura

    The Evolution of Tools: From Synthetic Lines to Digital Fishing 2025

    Human reliance on fishing tools dates back thousands of years, reflecting an enduring relationship with water-based food sources. From primitive spears to sophisticated digital devices, each innovation has transformed how we interact with aquatic ecosystems. Today, the journey continues with fishing tools increasingly embedded with smart technologies—shifting from passive instruments to active, data-driven partners. From […]

  • Utilities
    November 16, 2025
    Author: Eugene Datura

    The Evolution of Fishing: From History to Modern Games 1763707047

    Fishing stands as one of humanity’s oldest survival strategies, dating back thousands of years, yet its influence extends far beyond sustenance—it has shaped coastal cultures, inspired artistic expression, and quietly molded the very games we now play. From ancient rituals marking seasonal cycles to the strategic depth of traditional fishing techniques, the practice reveals a […]

Contact us

    What is 2 + 7?