ModelScope

Access 7 ModelScope models through Mastra's model router. Authentication is handled automatically using the MODELSCOPE_API_KEY environment variable.

Learn more in the ModelScope documentation.

MODELSCOPE_API_KEY=your-api-key

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

const agent = new Agent({
  id: "my-agent",
  name: "My Agent",
  instructions: "You are a helpful assistant",
  model: "modelscope/Qwen/Qwen3-235B-A22B-Instruct-2507"
});

// 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 ModelScope documentation for details.

:::

Models

<ProviderModelsTable models={[ { "model": "modelscope/Qwen/Qwen3-235B-A22B-Instruct-2507", "imageInput": false, "audioInput": false, "videoInput": false, "toolUsage": true, "reasoning": false, "contextWindow": 262144, "maxOutput": 131072, "inputCost": null, "outputCost": null }, { "model": "modelscope/Qwen/Qwen3-235B-A22B-Thinking-2507", "imageInput": false, "audioInput": false, "videoInput": false, "toolUsage": true, "reasoning": true, "contextWindow": 262144, "maxOutput": 131072, "inputCost": null, "outputCost": null }, { "model": "modelscope/Qwen/Qwen3-30B-A3B-Instruct-2507", "imageInput": false, "audioInput": false, "videoInput": false, "toolUsage": true, "reasoning": false, "contextWindow": 262144, "maxOutput": 16384, "inputCost": null, "outputCost": null }, { "model": "modelscope/Qwen/Qwen3-30B-A3B-Thinking-2507", "imageInput": false, "audioInput": false, "videoInput": false, "toolUsage": true, "reasoning": true, "contextWindow": 262144, "maxOutput": 32768, "inputCost": null, "outputCost": null }, { "model": "modelscope/Qwen/Qwen3-Coder-30B-A3B-Instruct", "imageInput": false, "audioInput": false, "videoInput": false, "toolUsage": true, "reasoning": false, "contextWindow": 262144, "maxOutput": 65536, "inputCost": null, "outputCost": null }, { "model": "modelscope/ZhipuAI/GLM-4.5", "imageInput": false, "audioInput": false, "videoInput": false, "toolUsage": true, "reasoning": true, "contextWindow": 131072, "maxOutput": 98304, "inputCost": null, "outputCost": null }, { "model": "modelscope/ZhipuAI/GLM-4.6", "imageInput": false, "audioInput": false, "videoInput": false, "toolUsage": true, "reasoning": true, "contextWindow": 202752, "maxOutput": 98304, "inputCost": null, "outputCost": null } ]} />

Advanced configuration

Custom headers

const agent = new Agent({
  id: "custom-agent",
  name: "custom-agent",
  model: {
    url: "https://api-inference.modelscope.cn/v1",
    id: "modelscope/Qwen/Qwen3-235B-A22B-Instruct-2507",
    apiKey: process.env.MODELSCOPE_API_KEY,
    headers: {
      "X-Custom-Header": "value"
    }
  }
});

Dynamic model selection

const agent = new Agent({
  id: "dynamic-agent",
  name: "Dynamic Agent",
  model: ({ requestContext }) => {
    const useAdvanced = requestContext.task === "complex";
    return useAdvanced
      ? "modelscope/ZhipuAI/GLM-4.6"
      : "modelscope/Qwen/Qwen3-235B-A22B-Instruct-2507";
  }
});