ThursdAI — the weekly AI news podcast hosted by Alex Volkov — has covered 2 Inworld AI releases since Nov 2025, most recently TTS-1.5 on Jan 22, 2026. Highlights include Inworld TTS, TTS-1.5. Every entry below has the episode segment where we covered it live, plus primary-source links where we have them.
Inworld TTS-1.5 claims #1 TTS ranking at half a cent per minute
Inworld AI launched TTS-1.5, a closed-source text-to-speech model claiming the #1 ranking with sub-250ms latency. Its headline is price: roughly $5 per million characters (about half a cent per minute) versus ElevenLabs' $120 per million characters.
Inworld TTS takes the #1 spot on the Artificial Analysis speech benchmark
Inworld released a new version of its TTS model that claimed the #1 position on the Artificial Analysis text-to-speech benchmark. It featured in the episode's voice segment as evidence that commercial TTS quality keeps climbing fast.
Never miss a Inworld AI launch — we cover every release live, every Thursday.