Cortecs

Access 108 Cortecs models through Mastra's model router. Authentication is handled automatically using the CORTECS_API_KEY environment variable.

Learn more in the Cortecs documentation.

.env

CORTECS_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: "cortecs/apertus-70b"
});

// 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 Cortecs documentation for details.

Models

108 available models

Model	Context	Tools	Reasoning	Image	Audio	Video	Input $/1M	Output $/1M
cortecs/apertus-70b	66K						$1	$2
cortecs/claude-4-5-sonnet	200K						$3	$15
cortecs/claude-4-6-sonnet	1.0M						$3	$16
cortecs/claude-haiku-4-5	200K						$1.00	$5
cortecs/claude-opus-5	1.0M						$6	$27
cortecs/claude-opus4-5	200K						$5	$27
cortecs/claude-opus4-6	1.0M						$5	$27
cortecs/claude-opus4-7	1.0M						$5	$27
cortecs/claude-opus4-8	1.0M						$5	$27
cortecs/claude-sonnet-4	200K						$3	$14
cortecs/claude-sonnet-5	1.0M						$2	$11
cortecs/codestral-2508	256K						$0.33	$1
cortecs/cosmos3-super-reasoner	256K						$0.10	$0.30
cortecs/deepseek-r1-0528	164K						$0.65	$3
cortecs/deepseek-v3.2	164K						$0.30	$0.49
cortecs/deepseek-v4-flash-0731	1.0M						$0.13	$0.28
cortecs/deepseek-v4-pro	1.0M						$2	$3
cortecs/devstral-2512	262K						$0.45	$2
cortecs/gemini-2.5-flash	1.0M						$0.30	$2
cortecs/gemini-2.5-pro	1.0M						$1	$10
cortecs/gemini-3.1-flash-lite	1.0M						$0.27	$2
cortecs/gemini-3.5-flash	1.0M						$2	$10
cortecs/gemini-3.5-flash-lite	1.0M						$0.33	$3
cortecs/gemini-3.6-flash	1.0M						$0.75	$4
cortecs/gemini-3.7-flash	1.0M						$0.75	$4
cortecs/gemma-3-27b-it	131K						$0.10	$0.30
cortecs/gemma-4-26b-a4b-it	262K						$0.11	$0.56
cortecs/gemma-4-31b-it	262K						$0.22	$0.39
cortecs/glm-4.7	203K						$0.78	$3
cortecs/glm-4.7-flash	203K						$0.08	$0.48
cortecs/glm-5	203K						$0.99	$3
cortecs/glm-5-turbo	203K						$1	$4
cortecs/glm-5.1	203K						$1	$4
cortecs/glm-5.2	1.0M						$1	$4
cortecs/glm-5v-turbo	203K						$1	$4
cortecs/gpt-4.1	1.0M						$2	$9
cortecs/gpt-4.1-mini	1.0M						$0.43	$2
cortecs/gpt-4.1-nano	1.0M						$0.11	$0.43
cortecs/gpt-4o	128K						$3	$11
cortecs/gpt-4o-mini	128K						$0.16	$0.64
cortecs/gpt-5	400K						$1	$11
cortecs/gpt-5-mini	400K						$0.28	$2
cortecs/gpt-5-nano	400K						$0.06	$0.44
cortecs/gpt-5.1	400K						$1	$11
cortecs/gpt-5.4	1.1M						$3	$15
cortecs/gpt-5.6-luna	1.1M						$0.22	$1
cortecs/gpt-5.6-sol	1.1M						$6	$33
cortecs/gpt-5.6-terra	1.1M						$2	$13
cortecs/gpt-oss-120b	131K						$0.09	$0.45
cortecs/gpt-oss-20b	131K						$0.04	$0.17
cortecs/gpt-oss-safeguard-120b	128K						$0.18	$0.70
cortecs/hermes-4-405b	128K						$1.00	$3
cortecs/hermes-4-70b	128K						$0.13	$0.40
cortecs/kimi-k2.5	262K						$0.49	$3
cortecs/kimi-k2.6	262K						$0.77	$3
cortecs/kimi-k2.7-code	262K						$0.75	$4
cortecs/kimi-k3	1.0M						$3	$15
cortecs/llama-3.1-405b-instruct	128K						$2	$2
cortecs/llama-3.1-8b-instruct	128K						$0.17	$0.17
cortecs/llama-3.1-nemotron-ultra-253b-v1	128K						$0.60	$2
cortecs/llama-3.3-70b-instruct	131K						$0.13	$0.40
cortecs/minicpm-v-4.5	32K						$0.65	$1
cortecs/minimax-m2	400K						$0.35	$1
cortecs/minimax-m2.1	196K						$0.36	$1
cortecs/minimax-m2.5	197K						$0.30	$1
cortecs/minimax-m2.7	197K						$0.67	$3
cortecs/minimax-m3	1.0M						$0.40	$2
cortecs/ministral-14b-2512	256K						$0.22	$0.22
cortecs/ministral-3b-2512	256K						$0.11	$0.11
cortecs/ministral-8b-2512	256K						$0.17	$0.17
cortecs/mistral-7b-instruct-v0.2	32K						$0.16	$0.22
cortecs/mistral-7b-instruct-v0.3	127K						$0.11	$0.11
cortecs/mistral-large-2402	32K						$4	$13
cortecs/mistral-large-2512	256K						$0.56	$2
cortecs/mistral-medium-2508	128K						$0.45	$2
cortecs/mistral-medium-3.5	256K						$2	$6
cortecs/mistral-nemo-instruct-2407	128K						$0.14	$0.14
cortecs/mistral-small-2503	128K						$0.11	$0.33
cortecs/mistral-small-2603	262K						$0.14	$0.57
cortecs/mistral-small-3.2-24b-instruct-2506	131K						$0.10	$0.31
cortecs/mixtral-8x7B-instruct-v0.1	32K						$0.49	$0.76
cortecs/nemotron-nano-v2-12b	128K						$0.24	$0.71
cortecs/nova-2-lite	1.0M						$0.37	$3
cortecs/nova-lite-v1	300K						$0.07	$0.28
cortecs/nova-micro-v1	128K						$0.04	$0.16
cortecs/nova-pro-v1	300K						$0.92	$4
cortecs/nvidia-nemotron-3-nano-30b-a3b	256K						$0.06	$0.24
cortecs/nvidia-nemotron-3-nano-omni	300K						$0.06	$0.24
cortecs/pixtral-12b-2409	128K						$0.22	$0.22
cortecs/pixtral-large-2502	128K						$2	$6
cortecs/qwen2.5-vl-72b-instruct	32K						$0.25	$0.75
cortecs/qwen3-235b-a22b-instruct-2507	262K						$0.07	$0.46
cortecs/qwen3-30b-a3b-instruct-2507	262K						$0.10	$0.30
cortecs/qwen3-32b	40K						$0.10	$0.30
cortecs/qwen3-coder-30b-a3b-instruct	262K						$0.07	$0.24
cortecs/qwen3-coder-next	256K						$0.17	$0.89
cortecs/qwen3-next-80b-a3b-thinking	128K						$0.15	$1
cortecs/qwen3-vl-235b-a22b	256K						$0.62	$3
cortecs/qwen3.5-122b-a10b	262K						$0.49	$3
cortecs/qwen3.5-397b-a17b	262K						$0.67	$4
cortecs/qwen3.5-9b	262K						$0.11	$0.17
cortecs/qwen3.6-27b	262K						$0.45	$3
cortecs/qwen3.6-35b-a3b	262K						$0.17	$0.56
cortecs/qwen3.8-2.4t-a95b	262K						$3	$6
cortecs/qwen3.8-27b	262K						$0.33	$2
cortecs/qwen3guard-gen-0.6b	32K						—	—
cortecs/qwen3guard-gen-8b	32K						—	—
cortecs/voxtral-small-2507	32K						$0.11	$0.33

Advanced configuration

Custom headers

src/mastra/agents/my-agent.ts

const agent = new Agent({
  id: "custom-agent",
  name: "custom-agent",
  model: {
    url: "https://api.cortecs.ai/v1",
    id: "cortecs/apertus-70b",
    apiKey: process.env.CORTECS_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
      ? "cortecs/voxtral-small-2507"
      : "cortecs/apertus-70b";
  }
});