Retell AI, a Y Combinator-backed voice AI company valued at over $1.5B with $80M in annual recurring revenue, is hiring an Applied AI Engineer (Customer Facing) for its Redwood City headquarters, offe…
Voice agent latency degrades after turn 7-8 in production, occasionally crossing Retell's ~3s reconnect threshold and dropping calls, despite using keep_alive: -1, KV cache reuse, and two-WebSocket ra…
Real-time voice agents using local LLMs face a hard latency ceiling of ~3 seconds imposed by Retell AI's WebSocket timeout, which forces reconnections and call termination if the first token is not pr…
A developer reports three production issues with Ollama serving llama3.1:8b-instruct-q4_K_M for multi-turn conversations in Spanish, including the model treating a second system message as a response …
XAI launched the Grok Voice Agent Builder in beta on July 1, featuring a single speech-to-speech model that replaces the traditional three-API voice stack. The platform offers sub-700ms latency and co…