Charm Hyper

Access 20 Charm Hyper models through Mastra's model router. Authentication is handled automatically using the HYPER_API_KEY environment variable.

Learn more in the Charm Hyper documentation.

.env

HYPER_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: "hyper/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 Charm Hyper documentation for details.

Models

20 available models

Model	Context	Tools	Reasoning	Image	Audio	Video	Input $/1M	Output $/1M
hyper/deepseek-v4-flash	1.0M						$0.20	$0.40
hyper/deepseek-v4-pro	1.0M						$2	$5
hyper/gemma-4-26b-a4b-it	256K						$0.13	$0.42
hyper/glm-5	203K						$0.81	$3
hyper/glm-5.1	203K						$2	$5
hyper/glm-5.2	1.0M						$1	$4
hyper/gpt-oss-120b	131K						$0.18	$0.65
hyper/kimi-k2.5	262K						$0.53	$3
hyper/kimi-k2.6	262K						$0.95	$4
hyper/kimi-k2.7-code	256K						$0.95	$4
hyper/llama-3.3-70b-instruct	128K						$0.61	$1
hyper/llama-4-maverick-17b-128e-instruct-fp8	430K						$0.28	$0.93
hyper/minimax-m2.7	205K						$0.35	$1
hyper/qwen3-coder-480b-a35b-instruct-int4-mixed-ar	106K						$0.57	$2
hyper/qwen3-next-80b-a3b-instruct	262K						$0.12	$1
hyper/qwen3.6-flash	1.0M						$1	$4
hyper/qwen3.6-max	256K						$2	$12
hyper/qwen3.6-plus	1.0M						$2	$6
hyper/qwen3.7-max	1.0M						$3	$8
hyper/qwen3.7-plus	1.0M						$1	$5

Advanced configuration

Custom headers

src/mastra/agents/my-agent.ts

const agent = new Agent({
  id: "custom-agent",
  name: "custom-agent",
  model: {
    url: "https://hyper.charm.land/v1",
    id: "hyper/deepseek-v4-flash",
    apiKey: process.env.HYPER_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
      ? "hyper/qwen3.7-plus"
      : "hyper/deepseek-v4-flash";
  }
});