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Kimi

Kimi K3

Name: Kimi K3
Brand: Kimi
Price: 2.85 USD
Availability: InStock

Kimi K3 is a reasoning model by Kimi with vision, function calling, structured output — designed for complex, multi-step problem solving where accuracy matters more than speed. It features an extended 1M token context window, suitable for processing long documents and complex conversations. Priced at $2.85 per million input tokens and $14.25 per million output tokens. Access Kimi K3 through Inworld Router with OpenAI SDK compatibility, built-in failover, and intelligent routing across providers.

→Function CallingReasoningResponse SchemaVisionreasoningCapabilityresponseFormatCapability

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": "deepinfra/moonshotai/Kimi-K3-a",
          "model_id": "deepinfra/moonshotai/Kimi-K3"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "deepinfra/moonshotai/Kimi-K2.6-b",
          "model_id": "deepinfra/moonshotai/Kimi-K2.6"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "deepinfra/moonshotai/Kimi-K2.5-c",
          "model_id": "deepinfra/moonshotai/Kimi-K2.5"
        },
        "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": "deepinfra/moonshotai/Kimi-K3-a",
                        "model_id": "deepinfra/moonshotai/Kimi-K3"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "deepinfra/moonshotai/Kimi-K2.6-b",
                        "model_id": "deepinfra/moonshotai/Kimi-K2.6"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "deepinfra/moonshotai/Kimi-K2.5-c",
                        "model_id": "deepinfra/moonshotai/Kimi-K2.5"
                    },
                    "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: "deepinfra/moonshotai/Kimi-K3-a",
              model_id: "deepinfra/moonshotai/Kimi-K3",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "deepinfra/moonshotai/Kimi-K2.6-b",
              model_id: "deepinfra/moonshotai/Kimi-K2.6",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "deepinfra/moonshotai/Kimi-K2.5-c",
              model_id: "deepinfra/moonshotai/Kimi-K2.5",
            },
            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!"}]
}'

Kimi K3 pricing and providers

Access Kimi K3 through DeepInfra 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.