The Speak and Orchestrate layers led the week, with 2 filings each.
One speak row for Baseten and Voxtral TTS.
livekit-agents 1.5.2 adds WebSocket streaming on Baseten TTS and Mistral Voxtral TTS with ref_audio zero-shot cloning.
livekit-agents 1.5.2
Keeps Mist voices while rewriting inference for ~40ms p90 TTFB on L40S/RTX 6000 — latency quotes from Trillet and Attune are customer-claimed.
Rime released Mist v3, a high-throughput text-to-speech inference update that keeps existing Mist voices while claiming about 40ms time-to-first-byte (p90) on L40S or RTX 6000 GPUs for enterprise concurrent voice-agent workloads.
Mist v3
Control-surface predecessor to 2.1 Flash (17 April) and, later, CWM-1. Not a second row for the Flash latency paper.
LemonSlice 2.1 is a free research-preview interactive avatar model with an API, described as able to wave, show anger, dance, and otherwise act during a real-time call.
LemonSlice 2.1
Introducing LemonSlice-2.1: the most advanced interactive avatars ever built Make your avatars do anything in real-time… wave, get angry, dance and more! Try the FREE research preview NOW And build avatars into your products using our API First 100 devs get $100 in credits 👇
https://x.com/LemonSliceAI/status/2042648703694172329
Handoff continuity is the orchestration headline.
livekit-agents 1.5.2 reuses the STT connection across agent handoffs and adds AsyncToolset plus Vertex RAG retrieval as a provider tool.
livekit-agents 1.5.2
Unified Pipeline unlocks hybrid STT-plus-realtime and custom-TTS-on-realtime paths that v0.x blocked — breaking migration required.
Also ThinkHearSpeak
VideoSDK released Prism (Agents V1.0.0), a breaking rearchitecture that replaces separate cascading and realtime pipelines with one Pipeline class that auto-selects cascade, realtime, or hybrid mode, plus decorator hooks and built-in OpenTelemetry observability.
Prism / Agents V1.0.0
Moves Numanac from Jan’s public web release into a phone-pocket field logger with a free tier — material channel expansion for growers who will not type forms in the field.
Numanac released its field iOS app (voice logging, offline-first sync, Alma record assistant) on the App Store and opened a no-card Free plan for grower adoption.
Numanac iOS app