Perplexity Agent

Access 15 Perplexity Agent models through Mastra's model router. Authentication is handled automatically using the PERPLEXITY_API_KEY environment variable.

Learn more in the Perplexity Agent documentation.

.env

PERPLEXITY_API_KEY=your-api-key

src/mastra/agents/my-agent.ts

import { Agent } from "@mastra/core/agent";

const agent = new Agent({
  id: "my-agent",
  name: "My Agent",
  instructions: "You are a helpful assistant",
  model: "perplexity-agent/anthropic/claude-haiku-4-5"
});

// Generate a response
const response = await agent.generate("Hello!");

// Stream a response
const stream = await agent.stream("Tell me a story");
for await (const chunk of stream) {
  console.log(chunk);
}

info

Mastra uses the OpenAI-compatible /chat/completions endpoint. Some provider-specific features may not be available. Check the Perplexity Agent documentation for details.

Models

15 available models

Model	Context	Tools	Reasoning	Image	Audio	Video	Input $/1M	Output $/1M
perplexity-agent/anthropic/claude-haiku-4-5	200K						$1	$5
perplexity-agent/anthropic/claude-opus-4-5	200K						$5	$25
perplexity-agent/anthropic/claude-opus-4-6	200K						$5	$25
perplexity-agent/anthropic/claude-sonnet-4-5	200K						$3	$15
perplexity-agent/anthropic/claude-sonnet-4-6	200K						$3	$15
perplexity-agent/google/gemini-2.5-flash	1.0M						$0.30	$3
perplexity-agent/google/gemini-2.5-pro	1.0M						$1	$10
perplexity-agent/google/gemini-3-flash-preview	1.0M						$0.50	$3
perplexity-agent/google/gemini-3-pro-preview	1.0M						$2	$12
perplexity-agent/google/gemini-3.1-pro-preview	1.0M						$2	$12
perplexity-agent/openai/gpt-5-mini	400K						$0.25	$2
perplexity-agent/openai/gpt-5.1	400K						$1	$10
perplexity-agent/openai/gpt-5.2	400K						$2	$14
perplexity-agent/perplexity/sonar	128K						$0.25	$3
perplexity-agent/xai/grok-4-1-fast-non-reasoning	2.0M						$0.20	$0.50

Advanced Configuration

Custom Headers

src/mastra/agents/my-agent.ts

const agent = new Agent({
  id: "custom-agent",
  name: "custom-agent",
  model: {
    url: "https://api.perplexity.ai/v1",
    id: "perplexity-agent/anthropic/claude-haiku-4-5",
    apiKey: process.env.PERPLEXITY_API_KEY,
    headers: {
      "X-Custom-Header": "value"
    }
  }
});

Dynamic Model Selection

src/mastra/agents/my-agent.ts

const agent = new Agent({
  id: "dynamic-agent",
  name: "Dynamic Agent",
  model: ({ requestContext }) => {
    const useAdvanced = requestContext.task === "complex";
    return useAdvanced
      ? "perplexity-agent/xai/grok-4-1-fast-non-reasoning"
      : "perplexity-agent/anthropic/claude-haiku-4-5";
  }
});

Direct Provider Installation

This provider can also be installed directly as a standalone package, which can be used instead of the Mastra model router string. View the package documentation for more details.

npm

npm install @ai-sdk/openai

pnpm

pnpm add @ai-sdk/openai

Yarn

yarn add @ai-sdk/openai

Bun

bun add @ai-sdk/openai