# Klemen Simonic (slim)

> Klemen Simonic is co-founder of Soniox. Soniox Speech-to-Text, Soniox Text-to-Speech and Soniox Voice Cloning on Anchor Terminal, with grades, an about and public profiles.

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- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Co-founder, Soniox.

Klemen Simonic is founder and CEO of Soniox, which builds speech-to-text, text-to-speech and translation models covering more than 60 languages.

## What Klemen builds

- [Soniox Speech-to-Text](https://www.anchorterminal.com/tools/soniox-stt.md), graded C, 58.2/100, in Speech-to-text. One multilingual model family for 60+ languages, as a real-time WebSocket API (`stt-rt-v5`) and an async file API (`stt-async-v5`). Co-founder, Soniox, researched 2026-10-26.
- [Soniox Text-to-Speech](https://www.anchorterminal.com/tools/soniox-tts.md), graded B, 63.7/100, in Text-to-speech. Streaming and REST text-to-speech (`tts-rt-v2`) in 60+ languages, where every voice speaks every language. Co-founder, Soniox, researched 2026-10-26.
- [Soniox Voice Cloning](https://www.anchorterminal.com/tools/soniox-voice-cloning.md), graded C, 58.6/100, in Voice cloning & custom voices. Instant clones for Soniox TTS from one reference clip of up to 2 minutes, made in the Console or with `POST /v1/voices`. Co-founder, Soniox, researched 2026-10-26.

## Works with

- [Ambroz Bizjak](https://www.anchorterminal.com/people/ambroz-bizjak/), Co-founder, Soniox

## Questions

### Who is Klemen Simonic?

Klemen Simonic is founder and CEO of Soniox, which builds speech-to-text, text-to-speech and translation models covering more than 60 languages.

### What does Soniox make?

Anchor Terminal lists Soniox Speech-to-Text, Soniox Text-to-Speech and Soniox Voice Cloning from Soniox.

### How are Klemen's tools graded?

Soniox Speech-to-Text is graded C, 58.2 out of 100; Soniox Text-to-Speech is graded B, 63.7 out of 100; Soniox Voice Cloning is graded C, 58.6 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://soniox.com/about
- https://soniox.com/
- https://soniox.com/contact

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched.