Perplexity plugin for LiveKit Agents

Support for Perplexity LLMs via the OpenAI-compatible chat completions endpoint at https://api.perplexity.ai.

See https://docs.livekit.io/agents/models/llm/perplexity/ for more information.

Installation

pip install livekit-plugins-perplexity

Pre-requisites

You'll need an API key from Perplexity. It can be passed directly or set as the PERPLEXITY_API_KEY environment variable.

Usage

from livekit.plugins import perplexity

llm = perplexity.LLM(
    model="sonar-pro",
    # api_key picked up from PERPLEXITY_API_KEY if omitted
)

The plugin reuses the OpenAI plugin's chat completions transport with base_url="https://api.perplexity.ai" and forwards an X-Pplx-Integration attribution header on every outgoing request.

Agent API usage

Perplexity's Agent API is compatible with OpenAI's Responses API and is available through the perplexity.responses submodule.

from livekit.plugins import perplexity

llm = perplexity.responses.LLM(
    model="perplexity/sonar",
    # api_key picked up from PERPLEXITY_API_KEY if omitted
)

The Responses LLM uses base_url="https://api.perplexity.ai/v1", disables websocket transport, and sends the same X-Pplx-Integration attribution header on its OpenAI-compatible client.

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