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agent.py

@@ -17,7 +17,7 @@ except ImportError:
 from dotenv import load_dotenv
 from livekit.agents import AutoSubscribe, JobContext, JobRequest, WorkerOptions, cli, RoomInputOptions
 from livekit.agents import AgentSession, Agent
-from livekit.plugins import groq, silero
+from livekit.plugins import groq, silero, openai
 from tts_mms import MmsTTS
 from tts_api import ApiTTS
 from tts_edge import EdgeTTS
@@ -634,13 +634,9 @@ async def entrypoint(ctx: JobContext):
         greeting = info["greeting"]
 
     session = AgentSession(
-        vad=silero.VAD.load(
-            min_speech_duration=0.05,
-            min_silence_duration=0.4,
-            activation_threshold=0.25,
-        ),
+        vad=silero.VAD.load(),
         stt=groq.STT(model="whisper-large-v3", language=whisper_lang),
-        llm=groq.LLM(model="openai/gpt-oss-120b"),
+        llm=openai.LLM(model="gpt-4o-mini"),
         tts=tts_engine,
     )