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Models/Kimi K2 0905
MoonshotaiPaid API✓ Verified Spec & Code

Kimi K2 0905

Cloud API • Released 2024-01-01 • Last Verified 2026-08-06

Try PlaygroundDocs

Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32...

Context Window262k
LicenseCommercial API
Deployment
Cloud Only
API AvailableYes (REST/SDK)
💡

Plain English Summary (What is this model & who is it for?)

Think of Kimi K2 0905 as a versatile AI assistant for writing, research, and brainstorming. It helps you draft emails, write essays, summarize long articles, and generate creative ideas on any topic.

💡 Real-World Use Cases & Practical Examples

✍️ Email & Article Drafting: Draft professional emails, blog posts, and press releases in seconds.
📚 Long Document Summarization: Condense 50-page PDF reports into actionable bullet points.
💡 Brainstorming & Strategy: Generate marketing ideas, product names, and event outlines.
🎓 Learning Partner: Ask questions and get step-by-step explanations on any topic.

🚀 How to Run & Use This Model (Step-by-Step Guide)

Simple setup instructions for everyday users and developers.

1

Sign Up & Get API Access

Create a account on Moonshotai's official developer portal and obtain your API Key.

2

Try the Interactive Playground

Click the "Try Playground" button at the top of this page to test prompts instantly inside your web browser.

3

Send Your First Request

Use standard HTTP cURL requests or official Python/Node.js SDKs to send prompts to the endpoint.

4

Integrate Into Your App

Pass the model ID "openrouter-moonshotai-kimi-k2-0905" into your code payload to power chatbots, workflows, and web applications.

Benchmark Performance

MMLU (Knowledge)79.5
GSM8K (Math)83.1
HumanEval (Coding)73.4
HellaSwag (Reasoning)85.9

Strengths

  • •Cloud API Endpoint
  • •Instant Inference
  • •Zero Hardware Setup

Limitations & Weaknesses

  • •Requires API Key & Per-Token Pricing
Integration Code (text-chat)
import openai

client = openai.OpenAI()

response = client.chat.completions.create(
    model="openrouter-moonshotai-kimi-k2-0905",
    messages=[
        {"role": "system", "content": "You are an expert AI assistant."},
        {"role": "user", "content": "Explain quantum computing in 2 sentences."}
    ]
)

print(response.choices[0].message.content)

Pricing Overview

$0.60/1M in, $2.50/1M out

Prices subject to provider tiers and volume discounts. Check documentation for current token rates.

Model Tags

#cloud-api#openrouter#moonshotai

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