Chutes

Access 52 Chutes models through Mastra's model router. Authentication is handled automatically using the CHUTES_API_KEY environment variable.

Learn more in the Chutes documentation.

CHUTES_API_KEY=your-api-key

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

const agent = new Agent({
  name: "my-agent",
  instructions: "You are a helpful assistant",
  model: "chutes/Alibaba-NLP/Tongyi-DeepResearch-30B-A3B"
});

// 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

52 available models

Model	Context	Tools	Reasoning	Image	Audio	Video	Input $/1M	Output $/1M
chutes/Alibaba-NLP/Tongyi-DeepResearch-30B-A3B	131K						—	—
chutes/ArliAI/QwQ-32B-ArliAI-RpR-v1	33K						$0.03	$0.11
chutes/chutesai/Mistral-Small-3.1-24B-Instruct-2503	131K						$0.05	$0.22
chutes/chutesai/Mistral-Small-3.2-24B-Instruct-2506	131K						$0.06	$0.18
chutes/deepseek-ai/DeepSeek-R1	164K						$0.30	$1
chutes/deepseek-ai/DeepSeek-R1-0528	164K						$0.40	$2
chutes/deepseek-ai/DeepSeek-R1-0528-Qwen3-8B	33K						$0.02	$0.10
chutes/deepseek-ai/DeepSeek-R1-Distill-Llama-70B	131K						$0.03	$0.13
chutes/deepseek-ai/DeepSeek-V3	164K						$0.30	$1
chutes/deepseek-ai/DeepSeek-V3-0324	164K						$0.24	$0.84
chutes/deepseek-ai/DeepSeek-V3.1	164K						$0.20	$0.80
chutes/deepseek-ai/DeepSeek-V3.1-Terminus	164K						$0.23	$0.90
chutes/deepseek-ai/DeepSeek-V3.2-Exp	164K						$0.25	$0.35
chutes/meituan-longcat/LongCat-Flash-Chat-FP8	131K						—	—
chutes/microsoft/MAI-DS-R1-FP8	164K						$0.30	$1
chutes/MiniMaxAI/MiniMax-M2	197K						$0.26	$1
chutes/moonshotai/Kimi-K2-Instruct-0905	262K						$0.39	$2
chutes/moonshotai/Kimi-K2-Thinking	262K						$0.55	$2
chutes/NousResearch/DeepHermes-3-Mistral-24B-Preview	33K						$0.15	$0.59
chutes/NousResearch/Hermes-4-14B	41K						$0.03	$0.11
chutes/NousResearch/Hermes-4-405B-FP8	131K						$0.30	$1
chutes/NousResearch/Hermes-4-70B	131K						$0.11	$0.38
chutes/openai/gpt-oss-120b	131K						$0.04	$0.40
chutes/openai/gpt-oss-20b	131K						—	—
chutes/OpenGVLab/InternVL3-78B	33K						$0.07	$0.26
chutes/Qwen/Qwen2.5-72B-Instruct	33K						$0.07	$0.26
chutes/Qwen/Qwen2.5-Coder-32B-Instruct	33K						$0.04	$0.16
chutes/Qwen/Qwen2.5-VL-32B-Instruct	16K						$0.05	$0.22
chutes/Qwen/Qwen2.5-VL-72B-Instruct	33K						$0.08	$0.33
chutes/Qwen/Qwen3-14B	41K						$0.05	$0.22
chutes/Qwen/Qwen3-235B-A22B	41K						$0.30	$1
chutes/Qwen/Qwen3-235B-A22B-Instruct-2507	262K						$0.08	$0.55
chutes/Qwen/Qwen3-235B-A22B-Thinking-2507	262K						$0.11	$0.60
chutes/Qwen/Qwen3-30B-A3B	41K						$0.06	$0.22
chutes/Qwen/Qwen3-30B-A3B-Instruct-2507	262K						$0.08	$0.33
chutes/Qwen/Qwen3-32B	41K						$0.05	$0.20
chutes/Qwen/Qwen3-Coder-30B-A3B-Instruct	262K						$0.06	$0.25
chutes/Qwen/Qwen3-Coder-480B-A35B-Instruct-FP8	262K						$0.22	$0.95
chutes/Qwen/Qwen3-Next-80B-A3B-Instruct	262K						$0.10	$0.80
chutes/Qwen/Qwen3-VL-235B-A22B-Instruct	262K						$0.30	$1
chutes/Qwen/Qwen3-VL-235B-A22B-Thinking	262K						$0.30	$1
chutes/rednote-hilab/dots.ocr	131K						$0.01	$0.01
chutes/tngtech/DeepSeek-R1T-Chimera	164K						$0.30	$1
chutes/tngtech/DeepSeek-TNG-R1T2-Chimera	164K						$0.30	$1
chutes/unsloth/gemma-3-12b-it	131K						$0.03	$0.10
chutes/unsloth/gemma-3-27b-it	96K						$0.13	$0.52
chutes/unsloth/gemma-3-4b-it	96K						—	—
chutes/unsloth/Mistral-Nemo-Instruct-2407	131K						$0.03	$0.11
chutes/unsloth/Mistral-Small-24B-Instruct-2501	33K						$0.05	$0.22
chutes/zai-org/GLM-4.5	131K						$0.35	$2
chutes/zai-org/GLM-4.5-Air	131K						—	—
chutes/zai-org/GLM-4.6	203K						$0.40	$2

Advanced Configuration

Custom Headers

const agent = new Agent({
  name: "custom-agent",
  model: {
    url: "https://llm.chutes.ai/v1",
    id: "chutes/Alibaba-NLP/Tongyi-DeepResearch-30B-A3B",
    apiKey: process.env.CHUTES_API_KEY,
    headers: {
      "X-Custom-Header": "value"
    }
  }
});

Dynamic Model Selection

const agent = new Agent({
  name: "dynamic-agent",
  model: ({ runtimeContext }) => {
    const useAdvanced = runtimeContext.task === "complex";
    return useAdvanced
      ? "chutes/zai-org/GLM-4.6"
      : "chutes/Alibaba-NLP/Tongyi-DeepResearch-30B-A3B";
  }
});