Thanks — I’m responding to your request to initialize

generate_reply

without invoking any agent speech generation. Short answer:

generate_reply

does not offer a built‑in flag to initialize it while preventing speech. It triggers the agent’s speech/TTS pipeline by design. What you can do instead (choose one that fits your setup): • Use text‑only LLM config: configure the realtime model with

modalities=["TEXT"]

so the model returns text and TTS is not produced. • Bypass `generate_reply`: call the LLM directly (via

ChatContext

or your LLM node) to produce the reply text and skip the agent’s TTS path entirely. • Intercept the pipeline: override the

llm_node

or insert a custom node that captures the LLM output and prevents downstream TTS/speech synthesis from running. Quick question to narrow guidance: are you using a full Agent pipeline (STT → LLM → TTS) or calling

generate_reply

from a server SDK? Answering that lets me give exact code snippets or config changes. Sources: Agent speech and audio | LiveKit Documentation | Realtime models overview | LiveKit Documentation | Chat context | LiveKit Documentation | Function tool definition | LiveKit Documentation, with interactive elements