Skip to main content

Chutes logoChutes

Access 33 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/Qwen/Qwen3-235B-A22B-Instruct-2507"
});

// 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​

ModelContextToolsReasoningImageAudioVideoInput $/1MOutput $/1M
chutes/Alibaba-NLP/Tongyi-DeepResearch-30B-A3B131K——
chutes/ArliAI/QwQ-32B-ArliAI-RpR-v133K$0.03$0.11
chutes/chutesai/Mistral-Small-3.1-24B-Instruct-2503131K$0.05$0.22
chutes/chutesai/Mistral-Small-3.2-24B-Instruct-2506131K$0.06$0.18
chutes/deepseek-ai/DeepSeek-R1164K$0.30$1
chutes/deepseek-ai/DeepSeek-R1-0528164K$0.40$2
chutes/deepseek-ai/DeepSeek-R1-0528-Qwen3-8B33K$0.02$0.10
chutes/deepseek-ai/DeepSeek-R1-Distill-Llama-70B131K$0.03$0.13
chutes/deepseek-ai/DeepSeek-V3164K$0.30$1
chutes/deepseek-ai/DeepSeek-V3-0324164K$0.24$0.84
chutes/deepseek-ai/DeepSeek-V3.1164K$0.20$0.80
chutes/deepseek-ai/DeepSeek-V3.1-Terminus164K$0.23$0.90
chutes/deepseek-ai/DeepSeek-V3.2-Exp164K$0.25$0.35
chutes/meituan-longcat/LongCat-Flash-Chat-FP8131K——
chutes/microsoft/MAI-DS-R1-FP8164K$0.30$1
chutes/MiniMaxAI/MiniMax-M2197K$0.26$1
chutes/moonshotai/Kimi-K2-Instruct-0905262K$0.39$2
chutes/moonshotai/Kimi-K2-Thinking262K$0.30$1
chutes/NousResearch/DeepHermes-3-Mistral-24B-Preview33K$0.15$0.59
chutes/NousResearch/Hermes-4-14B41K$0.03$0.11
chutes/NousResearch/Hermes-4-405B-FP8131K$0.30$1
chutes/NousResearch/Hermes-4-70B131K$0.11$0.38
chutes/openai/gpt-oss-120b131K$0.04$0.40
chutes/openai/gpt-oss-20b131K——
chutes/OpenGVLab/InternVL3-78B33K$0.07$0.26
chutes/Qwen/Qwen2.5-72B-Instruct33K$0.07$0.26
chutes/Qwen/Qwen2.5-Coder-32B-Instruct33K$0.04$0.16
chutes/Qwen/Qwen2.5-VL-32B-Instruct16K$0.05$0.22
chutes/Qwen/Qwen2.5-VL-72B-Instruct33K$0.08$0.33
chutes/Qwen/Qwen3-14B41K$0.05$0.22
chutes/Qwen/Qwen3-235B-A22B41K$0.30$1
chutes/Qwen/Qwen3-235B-A22B-Instruct-2507262K$0.08$0.55
chutes/Qwen/Qwen3-235B-A22B-Thinking-2507262K$0.11$0.60
chutes/Qwen/Qwen3-30B-A3B41K$0.06$0.22
chutes/Qwen/Qwen3-30B-A3B-Instruct-2507262K$0.08$0.33
chutes/Qwen/Qwen3-32B41K$0.05$0.20
chutes/Qwen/Qwen3-Coder-30B-A3B-Instruct262K$0.06$0.25
chutes/Qwen/Qwen3-Coder-480B-A35B-Instruct-FP8262K$0.22$0.95
chutes/Qwen/Qwen3-Next-80B-A3B-Instruct262K$0.10$0.80
chutes/Qwen/Qwen3-VL-235B-A22B-Instruct262K$0.30$1
chutes/Qwen/Qwen3-VL-235B-A22B-Thinking262K$0.30$1
chutes/rednote-hilab/dots.ocr131K$0.01$0.01
chutes/tngtech/DeepSeek-R1T-Chimera164K$0.30$1
chutes/tngtech/DeepSeek-TNG-R1T2-Chimera164K$0.30$1
chutes/unsloth/gemma-3-12b-it131K$0.03$0.10
chutes/unsloth/gemma-3-27b-it96K$0.13$0.52
chutes/unsloth/gemma-3-4b-it96K——
chutes/unsloth/Mistral-Nemo-Instruct-2407131K$0.03$0.11
chutes/unsloth/Mistral-Small-24B-Instruct-250133K$0.05$0.22
chutes/zai-org/GLM-4.5131K$0.35$2
chutes/zai-org/GLM-4.5-Air131K——
chutes/zai-org/GLM-4.6203K$0.40$2
52 available models

Advanced Configuration​

Custom Headers​

const agent = new Agent({
  name: "custom-agent",
  model: {
    url: "https://llm.chutes.ai/v1",
    id: "chutes/Qwen/Qwen3-235B-A22B-Instruct-2507",
    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-turbo"
      : "chutes/Qwen/Qwen3-235B-A22B-Instruct-2507";
  }
});

On this page