ai&

Access 9 ai& models through Mastra's model router. Authentication is handled automatically using the AIAND_API_KEY environment variable.

Learn more in the ai& documentation.

.env

AIAND_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: "aiand/deepseek-ai/deepseek-v4-flash"
});

// 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 ai& documentation for details.

Models

9 available models

Model	Context	Tools	Reasoning	Image	Audio	Video	Input $/1M	Output $/1M
aiand/deepseek-ai/deepseek-v4-flash	1.0M						$0.15	$0.25
aiand/deepseek-ai/deepseek-v4-pro	1.0M						$1	$3
aiand/google/gemma-4-31b-it	262K						$0.20	$0.50
aiand/moonshotai/kimi-k2.6	262K						$0.85	$4
aiand/moonshotai/kimi-k2.7-code	262K						$0.75	$4
aiand/openai/gpt-oss-120b	131K						$0.15	$0.60
aiand/qwen/qwen3.6-27b	262K						—	—
aiand/zai-org/glm-5.1	200K						$1	$4
aiand/zai-org/glm-5.2	1.0M						$1	$4

Advanced configuration

Custom headers

src/mastra/agents/my-agent.ts

const agent = new Agent({
  id: "custom-agent",
  name: "custom-agent",
  model: {
    url: "https://api.aiand.com/v1",
    id: "aiand/deepseek-ai/deepseek-v4-flash",
    apiKey: process.env.AIAND_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
      ? "aiand/zai-org/glm-5.2"
      : "aiand/deepseek-ai/deepseek-v4-flash";
  }
});