GreenPT

Access 26 GreenPT models through Mastra's model router. Authentication is handled automatically using the GREENPT_API_KEY environment variable.

Learn more in the GreenPT documentation.

.env

GREENPT_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: "greenpt/devstral-2-123b-instruct-2512"
});

// 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 GreenPT documentation for details.

Models

26 available models

Model	Context	Tools	Reasoning	Image	Audio	Video	Input $/1M	Output $/1M
greenpt/devstral-2-123b-instruct-2512	200K						$0.57	$3
greenpt/gemma-3-27b-it	40K						$0.34	$0.68
greenpt/gemma4	262K						$0.57	$2
greenpt/glm-5.1	200K						$2	$6
greenpt/glm-5.2	1.0M						$1	$5
greenpt/gpt-oss-120b	131K						$0.23	$0.80
greenpt/green-l	128K						$0.28	$0.91
greenpt/green-l-raw	128K						$0.28	$0.91
greenpt/green-r	131K						$0.40	$1
greenpt/green-r-raw	131K						$0.40	$1
greenpt/green-s	—						$0.00	—
greenpt/green-s-pro	—						$0.00	—
greenpt/holo2-30b-a3b	22K						$0.40	$0.97
greenpt/kimi-k2.6	262K						$0.83	$4
greenpt/kimi-k2.6-fast	262K						$2	$9
greenpt/kimi-k2.7-code	262K						$0.94	$4
greenpt/llama-3.3-70b-instruct	100K						$1	$1
greenpt/minimax-m2.5	205K						$0.19	$1
greenpt/mistral-medium-3.5-128b	262K						$2	$10
greenpt/mistral-small-3.2-24b-instruct-2506	128K						$0.23	$0.46
greenpt/pixtral-12b-2409	128K						$0.28	$0.28
greenpt/qwen3-235b-a22b-instruct-2507	262K						$1	$3
greenpt/qwen3-coder-30b-a3b-instruct	128K						$0.28	$1
greenpt/qwen3.5-397b-a17b	262K						$0.80	$5
greenpt/qwen3.6-35b-a3b	262K						$0.34	$2
greenpt/voxtral-small-24b-2507	33K						$0.23	$0.51

Advanced configuration

Custom headers

src/mastra/agents/my-agent.ts

const agent = new Agent({
  id: "custom-agent",
  name: "custom-agent",
  model: {
    url: "https://api.greenpt.ai/v1",
    id: "greenpt/devstral-2-123b-instruct-2512",
    apiKey: process.env.GREENPT_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
      ? "greenpt/voxtral-small-24b-2507"
      : "greenpt/devstral-2-123b-instruct-2512";
  }
});