LiveKit

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from livekit.plugins import openai
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session = AgentSession(
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    llm=openai.LLM.with_openrouter(model="anthropic/claude-sonnet-4.5"),
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    # ... tts, stt, vad, turn_detection, etc.
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)

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from livekit.plugins import openai
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llm = openai.LLM.with_openrouter(
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    model="openai/gpt-4o",
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    fallback_models=[
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        "anthropic/claude-sonnet-4",
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        "openai/gpt-5-mini",
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    ],
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)

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from livekit.plugins import openai
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llm = openai.LLM.with_openrouter(
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    model="deepseek/deepseek-chat-v3.1",
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    provider={
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        "order": ["novita/fp8", "gmicloud/fp8", "google-vertex"],
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        "allow_fallbacks": True,
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        "sort": "latency",
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    },
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)

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from livekit.plugins import openai
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llm = openai.LLM.with_openrouter(
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    model="google/gemini-3-flash-preview",
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    plugins=[
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        openai.OpenRouterWebPlugin(
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            max_results=5,
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            search_prompt="Search for relevant information",
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        )
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    ],
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)

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from livekit.plugins import openai
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llm = openai.LLM.with_openrouter(
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    model="openrouter/auto",
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    site_url="https://myapp.com",
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    app_name="My Voice Agent",
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)