{"id":"inworld-tts-1-5-max","nom":"Inworld TTS 1.5 MAX","editeur":"Inworld AI","pays":"États-Unis","poids_ouverts":false,"poids_selon":"TTS Arena V2","licence":null,"licence_selon":null,"liens":{"page":"https://inworld.ai/blog/introducing-inworld-tts-1-5","essayer":"https://platform.inworld.ai/tts"},"fiche_auto":true,"page":"https://quelleia.com/voix/modeles/inworld-tts-1-5-max/","releve":"2026-10-19","en_bref":"19e sur 38 en synthèse vocale en anglais (TTS Arena).","presentation":"Modèle de synthèse vocale en temps réel d'Inworld, version principale de la génération 1.5, avec un premier fragment audio en moins de 250 ms (P90). L'éditeur annonce 30 % d'expressivité en plus et 40 % d'erreurs de mots en moins que la génération précédente ; le modèle est désormais déprécié au profit de TTS-2.","sortie":"2026-01-21","langues":{"annoncees":{"annoncees":"15 langues","nombre":15},"prises_en_charge_selon_open_tts":null,"evaluees":["en"]},"preuves":[{"appuie":["sortie"],"lu":"https://inworld.ai/blog/introducing-inworld-tts-1-5 (« 01.21.2026 · Product Updates Inworld TTS-1.5: Upgrading the #1 Ranked TTS Model with Production-Grade Latency, Expression and Stability »), 17/10/2026"},{"appuie":["presentation"],"lu":"https://inworld.ai/blog/introducing-inworld-tts-1-5 (« Inworld TTS-1.5 Max is recommended for most applications, while TTS-1.5 Mini is optimized for hyper-latency sensitive applications. »), 17/10/2026"},{"appuie":["presentation"],"lu":"https://docs.inworld.ai/release-notes/tts.md (« Our new TTS-1.5 models achieve P90 latency for first audio chunk delivery under 250ms for our Max model and under 130ms for our Mini model, a 4x improvement compared to TTS-1. »), 17/10/2026"},{"appuie":["presentation"],"lu":"https://docs.inworld.ai/release-notes/tts.md (« TTS-1.5 is 30% more expressive than prior generations and demonstrates a 40% reduction in word error rates. »), 17/10/2026"},{"appuie":["langues"],"lu":"https://docs.inworld.ai/release-notes/tts.md (« We've added support for additional languages, including Hindi, Arabic, and Hebrew, bringing total languages supported to 15. »), 17/10/2026"},{"appuie":["presentation"],"lu":"https://docs.inworld.ai/llms.txt (« Earlier models (`inworld-tts-1.5-max`, `inworld-tts-1.5-mini`) are deprecated. »), 17/10/2026"}],"classements":[{"id":"synthese/tts-arena","nom":"Synthèse vocale en anglais, TTS Arena","rang":19,"sur":38,"valeur":1507,"unite":"Elo","bas":1477,"haut":1537,"votes":613,"voisins":["elevenlabs-flash-v2-5","minimax-speech-02-turbo"],"source":{"nom":"TTS Arena V2","mention":"Source : TTS Arena V2, TTS-AGI","url":"https://huggingface.co/spaces/TTS-AGI/TTS-Arena-V2","releve":"2026-10-19"}}],"noms_dans_les_sources":{"tts_arena":"Inworld TTS 1.5 MAX"}}