Read our How to Run Kimi K2.7 Code Guide!

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Kimi-K2.7-Code

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1. Model Introduction

Kimi K2.7 Code is a coding-focused agentic model built upon Kimi K2.6. With substantial improvements on real-world long-horizon coding tasks, it strengthens end-to-end task completion across complex software engineering workflows while improving token efficiency, reducing thinking-token usage by approximately 30% compared with Kimi K2.6.

2. Model Summary

3. Evaluation Results

4. Native INT4 Quantization

Kimi-K2.7-Code adopts the same native int4 quantization method as Kimi-K2-Thinking.

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6. Model Usage

The usage demos below demonstrate how to call our official API. Note that Kimi-K2.7-Code forces thinking and preserve_thinking as True.

For third-party APIs deployed with vLLM or SGLang, please note that:

• Chat with video content is an experimental feature and is only supported in our official API for now.

• The recommended temperature will be 1.0 for Thinking mode.

• The recommended top_p is 0.95.

• Instant mode is not supported.

Chat Completion

This is a simple chat completion script which shows how to call K2.7-Code API in Thinking mode.

import openai
import base64
import requests
def simple_chat(client: openai.OpenAI, model_name: str):
 messages = [
 {'role': 'system', 'content': 'You are Kimi, an AI assistant created by Moonshot AI.'},
 {
 'role': 'user',
 'content': [
 {'type': 'text', 'text': 'which one is bigger, 9.11 or 9.9? think carefully.'}
 ],
 },
 ]
 response = client.chat.completions.create(
 model=model_name, messages=messages, stream=False, max_tokens=4096
 )
 print('====== Below is reasoning content in Thinking Mode ======')
 print(f'reasoning content: {response.choices[0].message.reasoning}')
 print('====== Below is response in Thinking Mode ======')
 print(f'response: {response.choices[0].message.content}')

Chat Completion with visual content

K2.7-Code supports Image and Video input.

The following example demonstrates how to call K2.7-Code API with image input:

import openai
import base64
import requests

def chat_with_image(client: openai.OpenAI, model_name: str):
 url = 'https://huggingface.co/moonshotai/Kimi-K2.7-Code/resolve/main/figures/kimi-logo.png'
 image_base64 = base64.b64encode(requests.get(url).content).decode()
 messages = [
 {
 'role': 'user',
 'content': [
 {'type': 'text', 'text': 'Describe this image in detail.'},
 {
 'type': 'image_url',
 'image_url': {'url': f'data:image/png;base64,{image_base64}'},
 },
 ],
 }
 ]

 response = client.chat.completions.create(
 model=model_name, messages=messages, stream=False, max_tokens=8192
 )
 print('====== Below is reasoning content in Thinking Mode ======')
 print(f'reasoning content: {response.choices[0].message.reasoning}')
 print('====== Below is response in Thinking Mode ======')
 print(f'response: {response.choices[0].message.content}')

The following example demonstrates how to call K2.7-Code API with video input:

import openai
import base64
import requests

def chat_with_video(client: openai.OpenAI, model_name:str):
 url = 'https://huggingface.co/moonshotai/Kimi-K2.7-Code/resolve/main/figures/demo_video.mp4'
 video_base64 = base64.b64encode(requests.get(url).content).decode()
 messages = [
 {
 "role": "user",
 "content": [
 {"type": "text","text": "Describe the video in detail."},
 {
 "type": "video_url",
 "video_url": {"url": f"data:video/mp4;base64,{video_base64}"},
 },
 ],
 }
 ]

 response = client.chat.completions.create(model=model_name, messages=messages)
 print('====== Below is reasoning content in Thinking Mode ======')
 print(f'reasoning content: {response.choices[0].message.reasoning}')
 print('====== Below is response in Thinking Mode ======')
 print(f'response: {response.choices[0].message.content}')

Preserve Thinking

Kimi K2.7 Code forces preserve_thinking mode, which retains full reasoning content across multi-turn interactions and enhances performance in coding agent scenarios.

This feature is enabled by default and can't be disabled. The following example demonstrates how to call K2.7-Code API in preserve_thinking mode:

def chat_with_preserve_thinking(client: openai.OpenAI, model_name: str):
 messages = [
 {
 "role": "user",
 "content": "Tell me three random numbers."
 },
 {
 "role": "assistant",
 "reasoning_content": "I'll start by listing five numbers: 473, 921, 235, 215, 222, and I'll tell you the first three.",
 # Some API (e.g. vLLM) may not support reasoning_content, you can try reasoning instead
 "content": "473, 921, 235"
 },
 {
 "role": "user",
 "content": "What are the other two numbers you have in mind?"
 }
 ]

 response = client.chat.completions.create(
 model=model_name,
 messages=messages,
 stream=False,
 max_tokens=4096,
 )
 # the assistant should mention 215 and 222 that appear in the prior reasoning content
 print(f"response: {response.choices[0].message.reasoning}")
 return response.choices[0].message.content

Interleaved Thinking and Multi-Step Tool Call

K2.7-Code shares the same design of Interleaved Thinking and Multi-Step Tool Call as K2 Thinking. For usage example, please refer to the K2 Thinking documentation.

Coding Agent Framework

Kimi K2.7-Code works best with Kimi Code CLI as its agent framework — give it a try at https://www.kimi.com/code.

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7. License

Both the code repository and the model weights are released under the Modified MIT License.

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8. Third Party Notices

See THIRD PARTY NOTICES

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9. Contact Us

If you have any questions, please reach out at support@moonshot.ai.

Base model

moonshotai/Kimi-K2.7-Code

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