Inworld Realtime TTS-2 debuts at #2 of 17 on the Voice Arena US English 🇺🇸 TTS Leaderboard at 1068 Elo, above Google DeepMind's Gemini 3.1 Flash TTS and inside the statistical band of Cartesia's Sonic-3.6 at #1.
Realtime TTS-2 is Inworld's latest real-time TTS model, built for live consumer applications. The version on the board is the research preview, which Inworld has since taken to general availability with notable improvements on quality, stability, speed and consistency.
Every ranking on Voice Arena comes from blind, head-to-head votes by vetted native speakers, scored with Bradley-Terry Elo.
Realtime TTS-2 enters a 17-model field at #2 placing it above every model on the board from ElevenLabs, Microsoft, OpenAI and xAI, with clear statistical separation from all four.
Results backed by 600+ blind, head-to-head listener votes from native US English speakers.
Congratulations to
@inworld on the release!
See below for the exact audio raters judged and unedited listener verdicts 🧵