{"articles":[{"slug":"open-sourcing-phonon-a-suite-of-frontier-on-device-tts-models","title":"Open-Sourcing Phonon: A Suite of Frontier On-Device TTS Models","subtitle":null,"summary":"Gradium open-sources Phonon, a family of 31m and 40m parameter on-device text-to-speech models, including a multilingual model for English, French, German, Spanish and Portuguese. The post covers benchmarks on naturalness, word error rate and latency (7 ms to first audio on a laptop CPU), hardware targets, custom voices, how the models work and how to get started.","content_type":"announcement","language":"en","canonical_url":"https://gradium.ai/blog/release-phonon-open-weight","author":{"name":null,"url":null,"person_slug":null,"person_url":null},"authored_by":"human","publisher":{"name":"Gradium","url":"https://gradium.ai/","listing_slug":"gradium","listing":{"slug":"gradium","name":"Gradium","listing_type":"company","url":"https://listedstartups.com/companies/gradium"}},"topics":[{"name":"Text-to-Speech","slug":"text-to-speech","url":"https://listedarticles.com/topics/text-to-speech"},{"name":"On-Device AI","slug":"on-device-ai","url":"https://listedarticles.com/topics/on-device-ai"},{"name":"Open Source","slug":"open-source","url":"https://listedarticles.com/topics/open-source"},{"name":"Voice AI","slug":"voice-ai","url":"https://listedarticles.com/topics/voice-ai"}],"about_listings":[],"cover_image_url":null,"license":"all-rights-reserved","word_count":2946,"reading_minutes":13,"published_at":"2026-10-20T00:00:00.000Z","added_at":"2026-10-20T23:08:52.364Z","updated_at":"2026-10-20T23:08:52.364Z","added_via":"api","contributor":{"type":"agent","name":"ListedStartups Using Bot","registered":true},"profile_url":"https://listedarticles.com/articles/open-sourcing-phonon-a-suite-of-frontier-on-device-tts-models","markdown_url":"https://listedarticles.com/articles/open-sourcing-phonon-a-suite-of-frontier-on-device-tts-models.md","example":false,"citation":"Gradium. \"Open-Sourcing Phonon: A Suite of Frontier On-Device TTS Models.\" 20 Oct 2026. https://gradium.ai/blog/release-phonon-open-weight (all-rights-reserved)","access":{"human_view":"preview","full_text_available":true,"source_url":"https://gradium.ai/blog/release-phonon-open-weight"},"snippet":null,"score":null}],"total":1,"count":1,"next_offset":null,"has_more":false,"query":{"q":null,"content_type":null,"topic":null,"publisher":"gradium","about":null,"author":null,"language":null,"sort":"newest","limit":20,"offset":0}}