⌘K

Kimi 2.5

kimi-k2.5

Kimi K2.5 is Moonshot AI's native multimodal model, delivering state-of-the-art visual coding capability and a self-directed agent swarm paradigm. Built on Kimi K2 with continued pretraining over approximately 15T mixed visual and text tokens, it delivers strong performance in general reasoning, visual coding, and agentic tool-calling.

Authentication

authorization `string` required

All APIs require authentication via Bearer Token.

Get API Key:

Visit API Key Management Page to get your API Key.

Usage:

Add to request header:

Authorization: Bearer YOUR_API_KEY

Parameters

model `string` required

Model ID to use for the request

Value: kimi-k2.5

messages `array` required

Array of message objects representing the conversation history

role string required

Message role

Options: user, assistant, system, developer

content string | array required

Text string or multimodal array

max_tokens `integer`

Maximum tokens to generate in the completion.

Range: 1 - 16384

temperature `number`

Sampling temperature to use.

Default: 1.0

Range: 0.0 - 2.0

top_p `number`

Nucleus sampling parameter.

Default: 1.0

Range: 0.0 - 1.0

stream `boolean`

Whether to stream response incrementally.

Default: false

Code Examples

curl --location 'https://cloud.vtrix.ai/llm/chat/completions' \
--header 'Authorization: Bearer YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
  "model": "kimi-k2.5",
  "messages": [{"role": "user", "content": "Hello!"}]
}'

curl --location 'https://cloud.vtrix.ai/llm/chat/completions' \
--header 'Authorization: Bearer YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
  "model": "kimi-k2.5",
  "messages": [
    {
      "role": "user",
      "content": [
        {
          "type": "text",
          "text": "请描述一下这张图片的内容"
        },
        {
          "type": "image_url",
          "image_url": {
            "url": "https://example.com/your-image.jpg"
          }
        }
      ]
    }
  ],
  "max_tokens": 4096,
  "temperature": 0.7,
  "stream": false
}'

Response Format

{
  "id": "chatcmpl-abc123",
  "object": "chat.completion",
  "created": 1699896916,
  "model": "kimi-k2.5",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Hello! How can I help you today?"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 10,
    "completion_tokens": 20,
    "total_tokens": 30
  }
}

Kimi 2.5

Authentication

authorization `string` required

Parameters

model `string` required

messages `array` required

role `string` required

content `string | array` required

max_tokens `integer`

temperature `number`

top_p `number`

stream `boolean`

Authentication

authorization string required

Parameters

model string required

messages array required

role string required

content string | array required

max_tokens integer

temperature number

top_p number

stream boolean

authorization `string` required

model `string` required

messages `array` required

role `string` required

content `string | array` required

max_tokens `integer`

temperature `number`

top_p `number`

stream `boolean`