{"type":"raw_signal","id":"gradium-open-sourced-phonon-a-family-of-31m-717f5a","slug":"gradium-open-sourced-phonon-a-family-of-31m-717f5a","title":"Gradium open-sourced Phonon , a family of 31M-40M parameter on-device TTS models.","description":"Gradium has published Phonon, a family of compact text-to-speech models intended for local use.","retrieval_nugget":"Gradium has published Phonon, a family of compact text-to-speech models intended for local use.","observed_at":"2026-10-20","record_date":"2026-10-20","date_kind":"observed_at","why_it_matters":"The family also lists 40M models for English, French, German, Spanish and Portuguese, plus a multilingual model covering those five languages. The model card lists Apache 2.0 for phonon-31m-en and CC BY-NC 4.0 for the listed 40M variants. Gradium reports that its models lead its published Elo and word-error-rate comparisons in each language; those results are the vendor’s own evaluation claims, no","novelty":"notable","verification_level":"source-linked","signal_type":"release","source_platform":"huggingface.co","topics":[],"entities":["Gradium","Phonon","Pocket TTS","Mimi"],"related_patterns":["generative-media-becomes-application-infrastructure"],"novelty_label":"new_fact","what_changed":"Gradium’s Phonon release adds compact on-device English and multilingual TTS models, including a 31M-parameter Apache-licensed option; the priors covered Gradium’s real-time TTS deployment.","prior_refs":["memory:43b1d3c3-eb16-801a-a9fa-38b5c3670421","memory:4e88f88a-69ed-809e-a08a-d5a410c7ea7f"],"source_url":"https://huggingface.co/gradium/phonon-31m-en","source_urls":["https://huggingface.co/gradium/phonon-31m-en"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"signal:gradium-open-sourced-phonon-a-family-of-31m-717f5a","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/signals/gradium-open-sourced-phonon-a-family-of-31m-717f5a/","markdown":"https://newruntime.com/signals/gradium-open-sourced-phonon-a-family-of-31m-717f5a.md","json":"https://newruntime.com/signals/gradium-open-sourced-phonon-a-family-of-31m-717f5a.json"},"next_reads":[{"type":"collection","path":"/signals/","url":"https://newruntime.com/signals/","title":"Raw Signals","reason":"Open every source-linked raw signal.","media_type":"text/html","json_url":"https://newruntime.com/signals.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}