Supertone Releases Supertonic v3: On-Device Text-to-Speech Model with 31-Language Support, Fewer Reading Failures, and Expression Tags
Supertone ships Supertonic v3 — on-device TTS now covers 31 languages with zero integration friction for existing customers.
Why it matters
A mature speech AI company is shipping production-grade inference improvements (6× language expansion, fewer read failures, expressive tags) while maintaining backward compatibility — the kind of unsexy but mission-critical infrastructure move that powers real deployments in accessibility, localization, and voice apps.
The key facts
13 to know31-language support (6× increase from prior version)
On-device inference (no API dependency)
Expression tags capability added
Improved reading stability / fewer failures reported
Backward-compatible inference contract for existing integrations
Seoul-based Supertone (v3 release milestone)
31-language support (6× increase from prior gen)
On-device inference model
Expression tags feature added
Reduced reading failures/stability improvements
Backward-compatible inference contract
Seoul-based Supertone
Third generation release (Supertonic v3)
Go to the source
MarkTechPostmarktechpost.com
Publisher excerpt: The Seoul-based speech AI company ships its third generation of its on-device TTS engine, adding expressive tags, improved reading stability, and a 6× increase in language coverage — all while keeping the inference contract unchanged for existing integrations. The post Supertone Releases Supertonic…