# Gradium — Gradium TTS, upgraded: more accurate Text-To-Speech

- Company: Gradium (gradium.ai)
- Announced: 2026-06-10
- Category: not stated
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://gradium.ai/blog/gradium-tts-upgrade
- Record: https://forck.live/items/18316-gradium-tts-upgraded-more-accurate-text-to-speech
- Subject: Gradium TTS / Phonon

Gradium TTS now runs on a new model. It improves two things that matter for production voice agents: how reliably it pronounces the hard cases, and how natural the output sounds. You can hear the pronunciation gains here, head-to-head against other providers. This post covers what changed, how we built it, and how it compares against the rest of the field. Because most production voice agents in our customer use cases for these types of examples run over the phone, every audio sample here plays at 8 kHz (telephone quality). EN Our principal asked that any parent wishing to volunteer for the spring field trip send a confirmation message to volunteers@school.org or reply directly to ms.taylor @hotmail.com by Wednesday afternoon. FR À l'admission, le patient mesurait 1,80 m pour 78 kg , sa tension affichait 12,5 sur 8, et l'infirmière a noté un périmètre crânien de 56 cm avant de transmettre le dossier complet au médecin de garde. What's new Pronunciation accuracy Accuracy for standard and hard cases is the second focus of this release. Gradium TTS is now substantially more accurate on important cases: Character spelling. …

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