Ollama Cloud

Access 24 Ollama Cloud models through Mastra's model router. Authentication is handled automatically using the OLLAMA_API_KEY environment variable.

Learn more in the Ollama Cloud documentation.

.env

OLLAMA_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: "ollama-cloud/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 Ollama Cloud documentation for details.

Models

24 available models

Model	Context	Tools	Reasoning	Image	Audio	Video	Input $/1M	Output $/1M
ollama-cloud/deepseek-v4-flash	1.0M						—	—
ollama-cloud/deepseek-v4-flash:0731	1.0M						—	—
ollama-cloud/deepseek-v4-pro	1.0M						—	—
ollama-cloud/deepseek-v4-pro:0813	1.0M						—	—
ollama-cloud/deepseek-v4.1-flash	1.0M						—	—
ollama-cloud/gemma4:31b	262K						—	—
ollama-cloud/glm-5.1	203K						—	—
ollama-cloud/glm-5.2	976K						—	—
ollama-cloud/glm-5.3	1.0M						—	—
ollama-cloud/glm-5.3-flash	1.0M						—	—
ollama-cloud/gpt-oss:120b	131K						—	—
ollama-cloud/gpt-oss:20b	131K						—	—
ollama-cloud/kimi-k2.5	262K						—	—
ollama-cloud/kimi-k2.6	262K						—	—
ollama-cloud/kimi-k2.7-code	262K						—	—
ollama-cloud/kimi-k3	1.0M						—	—
ollama-cloud/minimax-m2.5	205K						—	—
ollama-cloud/minimax-m2.7	197K						—	—
ollama-cloud/minimax-m3	512K						—	—
ollama-cloud/mistral-large-3:675b	262K						—	—
ollama-cloud/nemotron-3-nano:30b	1.0M						—	—
ollama-cloud/nemotron-3-super	262K						—	—
ollama-cloud/nemotron-3-ultra	262K						—	—
ollama-cloud/qwen3.5:397b	262K						—	—

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://ollama.com/v1",
    id: "ollama-cloud/deepseek-v4-flash",
    apiKey: process.env.OLLAMA_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
      ? "ollama-cloud/qwen3.5:397b"
      : "ollama-cloud/deepseek-v4-flash";
  }
});