Vivgrid

Access 27 Vivgrid models through Mastra's model router. Authentication is handled automatically using the VIVGRID_API_KEY environment variable.

Learn more in the Vivgrid documentation.

.env

VIVGRID_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: "vivgrid/claude-fable-5"
});

// 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 Vivgrid documentation for details.

Models

27 available models

Model	Context	Tools	Reasoning	Image	Audio	Video	Input $/1M	Output $/1M
vivgrid/claude-fable-5	1.0M						$10	$50
vivgrid/claude-fable-5-1	1.0M						$10	$50
vivgrid/deepseek-v3.2	128K						$0.28	$0.42
vivgrid/deepseek-v4-flash	1.0M						$0.15	$0.30
vivgrid/deepseek-v4-pro	1.0M						$0.43	$0.87
vivgrid/deepseek-v4-pro-0813	1.0M						$1	$3
vivgrid/gemini-3.1-flash-lite-preview	1.0M						$0.25	$2
vivgrid/gemini-3.1-pro-preview	1.0M						$2	$12
vivgrid/gemini-3.7-flash	1.0M						$0.75	$4
vivgrid/gemini-3.8-flash	1.0M						$0.75	$4
vivgrid/glm-5.2	1.0M						$1	$4
vivgrid/glm-5.3	1.0M						$1	$4
vivgrid/glm-5.3-flash	1.0M						$0.15	$0.50
vivgrid/gpt-5-mini	272K						$0.25	$2
vivgrid/gpt-5.1-codex	400K						$1	$10
vivgrid/gpt-5.1-codex-max	400K						$1	$10
vivgrid/gpt-5.2-codex	400K						$2	$14
vivgrid/gpt-5.3-codex	400K						$2	$14
vivgrid/gpt-5.4	400K						$3	$15
vivgrid/gpt-5.4-mini	400K						$0.75	$5
vivgrid/gpt-5.4-nano	400K						$0.20	$1
vivgrid/gpt-5.5	1.1M						$5	$30
vivgrid/gpt-5.6-luna	1.1M						$1	$6
vivgrid/gpt-5.6-sol	1.1M						$5	$30
vivgrid/gpt-5.6-terra	1.1M						$3	$15
vivgrid/gpt-6-astra	1.1M						$10	$50
vivgrid/kimi-k3	1.0M						$3	$15

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://api.vivgrid.com/v1",
    id: "vivgrid/claude-fable-5",
    apiKey: process.env.VIVGRID_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
      ? "vivgrid/kimi-k3"
      : "vivgrid/claude-fable-5";
  }
});