Mistral

Mistral Small 2603

Name: Mistral Small 2603
Brand: Mistral
Price: 0.15 USD
Availability: InStock

Mistral Small 2603 is a large language model by Mistral. Priced at $0.15 per million input tokens and $0.6 per million output tokens, it is one of the most cost-efficient options in its class. Access Mistral Small 2603 through Inworld Router with OpenAI SDK compatibility, built-in failover, and intelligent routing across providers.

→

Use This Model

Step 1 — Create Router

curl --location 'https://api.inworld.ai/router/v1/routers' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--data '{
  "name": "compare-frontier-models",
  "defaultRoute": {
    "route_id": "default",
    "variants": [
      {
        "variant": {
          "variant_id": "mistral/mistral-small-2603-a",
          "model_id": "mistral/mistral-small-2603"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "mistral/magistral-small-latest-b",
          "model_id": "mistral/magistral-small-latest"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "mistral/ministral-14b-2512-c",
          "model_id": "mistral/ministral-14b-2512"
        },
        "weight": 34
      }
    ]
  }
}'

import requests

response = requests.post(
    "https://api.inworld.ai/router/v1/routers",
    headers={
        "Authorization": "Basic <your-api-key>",
        "Content-Type": "application/json",
    },
    json={
        "name": "compare-frontier-models",
        "defaultRoute": {
            "route_id": "default",
            "variants": [
                {
                    "variant": {
                        "variant_id": "mistral/mistral-small-2603-a",
                        "model_id": "mistral/mistral-small-2603"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "mistral/magistral-small-latest-b",
                        "model_id": "mistral/magistral-small-latest"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "mistral/ministral-14b-2512-c",
                        "model_id": "mistral/ministral-14b-2512"
                    },
                    "weight": 34
                }
            ]
        }
    },
)
print(response.json())

const response = await fetch(
  "https://api.inworld.ai/router/v1/routers",
  {
    method: "POST",
    headers: {
      Authorization: "Basic <your-api-key>",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      name: "compare-frontier-models",
      defaultRoute: {
        route_id: "default",
        variants: [
          {
            variant: {
              variant_id: "mistral/mistral-small-2603-a",
              model_id: "mistral/mistral-small-2603",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "mistral/magistral-small-latest-b",
              model_id: "mistral/magistral-small-latest",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "mistral/ministral-14b-2512-c",
              model_id: "mistral/ministral-14b-2512",
            },
            weight: 34,
          },
        ],
      },
    }),
  }
);
const data = await response.json();
console.log(data);

Step 2 — Chat Completion

curl --location 'https://api.inworld.ai/v1/chat/completions' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--data '{
  "model": "inworld/compare-frontier-models",
  "messages": [{"role": "user", "content": "Hello!"}]
}'

Mistral Small 2603 pricing and providers

Access Mistral Small 2603 through Mistral via Inworld Router or Realtime API. By using the AI provider(s) below you acknowledge you reviewed and agree to their terms listed in the Legal section under the AI provider's name.

					Capabilities	Input modalities	Output modalities
Mistral	—	—	$0.15	$0.60	—

Other Mistral models available through Inworld

Compare Mistral Small 2603 with other Mistral models available through Inworld Router or Realtime API.

					Capabilities
Magistral Small Latest	40K	40K	$0.50	$1.50	+1
Ministral 14b 2512	—	—	$0.20	$0.20	—
Ministral 3b 2512	—	—	$0.10	$0.10	—
Ministral 8b 2512	262.1K	262.1K	$0.15	$0.15
Mistral Large 2411	128K	128K	$2.00	$6.00
Mistral Large 2512	262.1K	262.1K	$0.50	$1.50
Mistral Medium 2508	—	—	$0.40	$2.00	—
Mistral Medium Latest	131.1K	131.1K	$0.40	$2.00
Mistral Small Latest	131.1K	131.1K	$0.06	$0.18
Mistralai/Mistral Nemo Instruct 2407	131.1K	131.1K	$0.02	$0.04
Mistralai/Mistral Small 3.2 24B Instruct 2506	128K	128K	$0.075	$0.20