Chutes

Access 39 Chutes models through Mastra's model router. Authentication is handled automatically using the CHUTES_API_KEY environment variable.

Learn more in the Chutes documentation.

.env

CHUTES_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: "chutes/MiniMaxAI/MiniMax-M2.5-TEE"
});

// 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 Chutes documentation for details.

Models

39 available models

Model	Context	Tools	Reasoning	Image	Audio	Video	Input $/1M	Output $/1M
chutes/deepseek-ai/DeepSeek-R1-0528-TEE	164K						$0.45	$2
chutes/deepseek-ai/DeepSeek-R1-Distill-Llama-70B	131K						$0.03	$0.11
chutes/deepseek-ai/DeepSeek-V3-0324-TEE	164K						$0.25	$1
chutes/deepseek-ai/DeepSeek-V3.1-TEE	164K						$0.27	$1
chutes/deepseek-ai/DeepSeek-V3.2-TEE	131K						$0.28	$0.42
chutes/google/gemma-4-31B-turbo-TEE	131K						$0.13	$0.38
chutes/MiniMaxAI/MiniMax-M2.5-TEE	197K						$0.15	$1
chutes/moonshotai/Kimi-K2.5-TEE	262K						$0.44	$2
chutes/moonshotai/Kimi-K2.6-TEE	262K						$0.95	$4
chutes/NousResearch/DeepHermes-3-Mistral-24B-Preview	33K						$0.02	$0.10
chutes/NousResearch/Hermes-4-14B	41K						$0.01	$0.05
chutes/openai/gpt-oss-120b-TEE	131K						$0.09	$0.36
chutes/Qwen/Qwen2.5-72B-Instruct	33K						$0.30	$1
chutes/Qwen/Qwen2.5-Coder-32B-Instruct	33K						$0.03	$0.11
chutes/Qwen/Qwen2.5-VL-32B-Instruct	16K						$0.05	$0.22
chutes/Qwen/Qwen3-235B-A22B-Instruct-2507-TEE	262K						$0.10	$0.60
chutes/Qwen/Qwen3-235B-A22B-Thinking-2507	262K						$0.11	$0.60
chutes/Qwen/Qwen3-30B-A3B	41K						$0.06	$0.22
chutes/Qwen/Qwen3-32B-TEE	41K						$0.08	$0.24
chutes/Qwen/Qwen3-Coder-Next-TEE	262K						$0.12	$0.75
chutes/Qwen/Qwen3-Next-80B-A3B-Instruct	262K						$0.10	$0.80
chutes/Qwen/Qwen3.5-397B-A17B-TEE	262K						$0.39	$2
chutes/Qwen/Qwen3.6-27B-TEE	262K						$0.20	$2
chutes/Qwen/Qwen3Guard-Gen-0.6B	33K						$0.01	$0.01
chutes/rednote-hilab/dots.ocr	131K						$0.01	$0.01
chutes/tngtech/DeepSeek-TNG-R1T2-Chimera-TEE	164K						$0.30	$1
chutes/unsloth/gemma-3-12b-it	131K						$0.03	$0.10
chutes/unsloth/gemma-3-27b-it	128K						$0.03	$0.11
chutes/unsloth/gemma-3-4b-it	96K						$0.01	$0.03
chutes/unsloth/Llama-3.2-1B-Instruct	16K						$0.01	$0.01
chutes/unsloth/Llama-3.2-3B-Instruct	16K						$0.01	$0.01
chutes/unsloth/Mistral-Nemo-Instruct-2407	131K						$0.02	$0.04
chutes/XiaomiMiMo/MiMo-V2-Flash-TEE	262K						$0.09	$0.29
chutes/zai-org/GLM-4.6V	131K						$0.30	$0.90
chutes/zai-org/GLM-4.7-FP8	203K						$0.30	$1
chutes/zai-org/GLM-4.7-TEE	203K						$0.39	$2
chutes/zai-org/GLM-5-TEE	203K						$0.95	$3
chutes/zai-org/GLM-5-Turbo	203K						$0.49	$2
chutes/zai-org/GLM-5.1-TEE	203K						$1	$4

Advanced configuration

Custom headers

src/mastra/agents/my-agent.ts

const agent = new Agent({
  id: "custom-agent",
  name: "custom-agent",
  model: {
    url: "https://llm.chutes.ai/v1",
    id: "chutes/MiniMaxAI/MiniMax-M2.5-TEE",
    apiKey: process.env.CHUTES_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
      ? "chutes/zai-org/GLM-5.1-TEE"
      : "chutes/MiniMaxAI/MiniMax-M2.5-TEE";
  }
});