above.dev

Access 8 above.dev models through Mastra's model router. Authentication is handled automatically using the ABOVE_API_KEY environment variable.

Learn more in the above.dev documentation.

.env

ABOVE_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: "above/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);
}

note

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

Models

8 available models

Model	Context	Tools	Reasoning	Image	Audio	Video	Input $/1M	Output $/1M
above/deepseek-v4-flash	1.0M						$0.17	$0.66
above/deepseek-v4-flash-vision-exp	1.0M						$0.24	$0.73
above/deepseek-v4-pro	1.0M						$0.73	$2
above/glm-5.2	1.0M						$2	$5
above/glm-5.2-fast	1.0M						$2	$7
above/glm-5.3-flash	1.0M						$0.17	$0.55
above/mimo-v2.5-pro	1.0M						$0.51	$1
above/qwen3.8-max	1.0M						$2	$7

Model availability, capabilities, context windows, and pricing are sourced from models.dev and may change.

Advanced configuration

Custom headers

src/mastra/agents/my-agent.ts

const agent = new Agent({
  id: "custom-agent",
  name: "custom-agent",
  model: {
    url: "https://api.above.dev/v1",
    id: "above/deepseek-v4-flash",
    apiKey: process.env.ABOVE_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
      ? "above/qwen3.8-max"
      : "above/deepseek-v4-flash";
  }
});