evroc

Access 16 evroc models through Mastra's model router. Authentication is handled automatically using the EVROC_API_KEY environment variable.

Learn more in the evroc documentation.

.env

EVROC_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: "evroc/KBLab/kb-whisper-large"
});

// 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);
}

note

Mastra uses the OpenAI-compatible /chat/completions endpoint. Some provider-specific features may not be available. Check the evroc documentation for details.

Models

16 available models

Model	Context	Tools	Reasoning	Image	Audio	Video	Input $/1M	Output $/1M
evroc/evroc/roc	262K						$3	$12
evroc/google/gemma-4-26B-A4B-it	262K						$0.14	$0.57
evroc/intfloat/multilingual-e5-large-instruct	512						$0.11	$0.11
evroc/KBLab/kb-whisper-large	448						$0.00	$0.00
evroc/mistralai/Mistral-Medium-3.5-128B	262K						$2	$7
evroc/mistralai/Voxtral-Small-24B-2507	32K						$0.00	$0.00
evroc/moonshotai/Kimi-K2.6	262K						$1	$6
evroc/nvidia/Llama-3.3-70B-Instruct-FP8	128K						$1	$1
evroc/openai/gpt-oss-120b	66K						$0.23	$0.92
evroc/openai/whisper-large-v3	448						$0.00	$0.00
evroc/openai/whisper-large-v3-turbo	448						$0.00	$0.00
evroc/Qwen/Qwen3-Embedding-8B	41K						$0.12	$0.12
evroc/Qwen/Qwen3-Reranker-4B	32K						$0.06	—
evroc/Qwen/Qwen3.6-35B-A3B	262K						$0.34	$1
evroc/Qwen/Qwen3.8-27B	262K						$0.87	$4
evroc/zai-org/GLM-5.2	524K						$1	$6

Model availability, capabilities, context windows, and pricing are sourced from models.dev and may change.

Advanced configuration

Custom headers

src/mastra/agents/my-agent.ts

const agent = new Agent({
  id: "custom-agent",
  name: "custom-agent",
  model: {
    url: "https://models.think.evroc.com/v1",
    id: "evroc/KBLab/kb-whisper-large",
    apiKey: process.env.EVROC_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
      ? "evroc/zai-org/GLM-5.2"
      : "evroc/KBLab/kb-whisper-large";
  }
});