Ann NgAnn Ng
5 min read

How to use Kimi K2 0905 from Moonshot AI with API Key on TypingMind

Learn how to access and use Kimi K2 0905 with your Moonshot AI API key through TypingMind. Get started with this powerful AI model in minutes.

Moonshot AI is a Beijing-based AI platform offering the Kimi large language model API, with the flagship Kimi K2 being a state-of-the-art Mixture-of-Experts (MoE) model featuring 1 trillion total parameters and 32 billion activated parameters per query.

Key features include an exceptional 256,000-token context window (the longest available for processing extended documents and conversations), strong coding and STEM performance competitive with GPT-4.1, native tool calling and function integration for agentic workflows, and stable large-scale training using the novel MuonClip optimizer on 15.5 trillion tokens.

The platform provides OpenAI-compatible API access through the Kimi Open Platform with variants including Kimi-K2-Base (for fine-tuning) and Kimi-K2-Instruct (optimized for chat and autonomous tasks), supporting advanced multi-turn interactions, reasoning, research, and software development applications.

Official Documentation: https://platform.moonshot.ai/docs/api/chat

Kimi K2 0905 Overview

Model NameKimi K2 0905
ProviderMoonshot AI
Model IDkimi-k2-0905-preview
Release DateSep 5, 2025
Last UpdatedSep 5, 2025
Knowledge Cutoff2024-10
Context Window262,144 tokens
Max Output262,144 tokens
Pricing /1M tokens$0.6 input
$2.5 output
$0.15 cache read
Input Modalitiestext
Output Modalitiestext
Capabilities
Tool CallingTemperature ControlOpen Weights

Complete Setup Guide

1

Get Your Moonshot AI API Key

First, you'll need to obtain an API key from Moonshot AI. This key allows you to access their AI models directly and pay only for what you use.

  1. Visit Moonshot AI's API console
  2. Sign up or log in to your account
  3. Navigate to the API keys section
  4. Generate a new API key (copy it immediately as some providers only show it once)
  5. Save your API key in a secure password manager or encrypted note

⚠️ Important: Keep your API key secure and never share it publicly. Store it safely as you'll need it to connect with TypingMind.

2

Configure TypingMind with Moonshot AI API Key

  1. Open TypingMind in your browser
  2. Click the "Settings" icon (gear symbol)
  3. Navigate to "Models" section
  4. Click "Add Custom Model"
  5. Fill in the model information:
    Name: kimi-k2-0905-preview via Moonshot AI (or your preferred name)
    Endpoint: https://api.moonshot.ai/v1/chat/completions
    Model ID: kimi-k2-0905-preview
    Context Length: Enter the model's context window (e.g., 262144 for kimi-k2-0905-preview)
    Moonshot AI Endpoint URL input fieldkimi-k2-0905-previewhttps://api.moonshot.ai/v1/chat/completionskimi-k2-0905-preview via Moonshot AIhttps://www.typingmind.com/model-logo.webp262144
  6. Add custom headers by clicking "Add Custom Headers" in the Advanced Settings section:
    Authorization: Bearer <MOONSHOT_API_KEY>:
    X-Title: typingmind.com
    HTTP-Referer: https://www.typingmind.com
  7. Enable "Support Plugins (via OpenAI Functions)" if the model supports the "functions" or "tool_calls" parameter, or enable "Support OpenAI Vision" if the model supports vision.
  8. Click "Test" to verify the configuration
  9. If you see "Nice, the endpoint is working!", click "Add Model"
3

Start chatting with Kimi K2 0905

Now you can start chatting with Kimi K2 0905 through TypingMind:

  • Select Kimi K2 0905 from the model dropdown menu
  • Start typing your message in the chat input
  • Enjoy faster responses and better features than the official interface
  • Switch between different AI models as needed
The best frontend AI chat for kimi-k2-0905-preview via OpenRouter API KeyThe best frontend AI chat for kimi-k2-0905-preview via OpenRouter API Keykimi-k2-0905-previewThe best frontend AI chat for kimi-k2-0905-preview via OpenRouter API Key

💡 Pro tips for better results:

Frequently Asked Questions

Do I need a subscription to use Kimi K2 0905?

No! With Moonshot AI API, you pay only for what you use with no monthly subscription. Add credits to your Moonshot AI account and pay as you go. TypingMind is also a one-time purchase, not a subscription.

How much will it cost to use Kimi K2 0905?

Kimi K2 0905 costs $0.6/1M input tokens and $2.5/1M output tokens. A typical conversation might cost $0.01-0.10 depending on length.

Can I use other models besides Kimi K2 0905?

Yes! With Moonshot AI API + TypingMind, you can access all Moonshot AI models. Switch between them instantly in TypingMind.

Is my data private and secure?

Yes! TypingMind stores conversations locally (web version in browser, desktop version on your device). Moonshot AI handles API calls securely. Check Moonshot AI's data policy for specifics.

Can I use Kimi K2 0905 for commercial projects?

Yes! Check Moonshot AI's terms of service for specific commercial use policies. TypingMind supports commercial use.