Access and Use hunyuan-a13b-instruct:free via OpenRouter

Hunyuan-A13B is a 13B active parameter Mixture-of-Experts (MoE) language model developed by Tencent, with a total parameter count of 80B and support for reasoning via Chain-of-Thought. It offers competitive benchmark performance across mathematics, science, coding, and multi-turn reasoning tasks, while maintaining high inference efficiency via Grouped Query Attention (GQA) and quantization support (FP8, GPTQ, etc.).

Tencent: Hunyuan A13B Instruct (free) Overview

Full NameTencent: Hunyuan A13B Instruct (free)
ProviderTencent
Model IDtencent/hunyuan-a13b-instruct:free
Release DateJul 8, 2025
Context Window32,768 tokens
Pricing /1M tokens$0 for input
$0 for output
Supported Input Typestext
Supported Parametersfrequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyseedstoptemperaturetop_ktop_logprobstop_p

Complete Setup Guide

1

Create OpenRouter Account

  1. Visit openrouter.ai
  2. Click "Sign In" and create an account (free)
  3. Verify your email address
  4. You'll receive $1 in free credits to test models
2

Get Your OpenRouter API Key

  1. Log in to OpenRouter dashboard
  2. Go to "API Keys" section in the menu
  3. Click "Create API Key"
  4. Give it a name (e.g., "TypingMind")
  5. Copy your API key (starts with "sk-or-v1-...")
OpenRouter API Keys
3

Add Credits to OpenRouter (Optional)

  1. Go to "Credits" in OpenRouter dashboard
  2. Click "Add Credits"
  3. Choose amount ($5 minimum, $20 recommended for testing)
  4. Complete payment (credit card or crypto)
  5. Credits never expire!
4

Configure TypingMind with OpenRouter API Key

Method 1: Direct Import (Recommended)

  1. Open TypingMind in your browser
  2. Click the "Settings" icon (gear symbol)
  3. Navigate to "Manage Models" section
  4. Click "Add Custom Model"
  5. Select "Import OpenRouter" from the options
  6. Enter your OpenRouter API key from Step 1
  7. Click "Check API Key" to verify the connection
  8. Choose which models you want to add from the list (you can add multiple at once)
  9. Click "Import Models" to complete the setup
The best frontend AI chat for OpenRouter API Key

Method 2: Manual Custom Model Setup

  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: tencent/hunyuan-a13b-instruct:free via OpenRouter (or your preferred name)
    Endpoint: https://openrouter.ai/api/v1/chat/completions
    Model ID: tencent/hunyuan-a13b-instruct:free
    Context Length: Enter the model's context window (e.g., 32768 for tencent/hunyuan-a13b-instruct:free)
    OpenRouter Endpoint URL input fieldtencent/hunyuan-a13b-instruct:freehttps://openrouter.ai/api/v1/chat/completionstencent/hunyuan-a13b-instruct:free via OpenRouterhttps://www.typingmind.com/model-logo.webp32768
  6. Add custom headers by clicking "Add Custom Headers" in the Advanced Settings section:
    Authorization: Bearer <OPENROUTER_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"
5

Start chatting with tencent/hunyuan-a13b-instruct:free

Now you can start chatting with the tencent/hunyuan-a13b-instruct:free model via OpenRouter on TypingMind:

  • Select your preferred tencent/hunyuan-a13b-instruct:free model 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 tencent/hunyuan-a13b-instruct:free via OpenRouter API KeyThe best frontend AI chat for tencent/hunyuan-a13b-instruct:free via OpenRouter API Keytencent/hunyuan-a13b-instruct:freeThe best frontend AI chat for tencent/hunyuan-a13b-instruct:free via OpenRouter API Key

Pro tips for better results:

Why TypingMind + OpenRouter?

  • Best-in-class UI: TypingMind's interface is far superior to standard chat UIs
  • Model flexibility: Switch between Tencent: Hunyuan A13B Instruct (free) and 200+ models instantly
  • Cost control: Pay only for what you use through OpenRouter
  • One-time purchase: Buy TypingMind once, use forever with any OpenRouter model
  • Data privacy: Your conversations stored locally, not on external servers

Try TypingMind for free now!

Frequently Asked Questions

Do I need a subscription to use Tencent: Hunyuan A13B Instruct (free)?

No! Through OpenRouter, you pay only for what you use with no monthly subscription. Add credits to your OpenRouter account and they never expire. TypingMind is also a one-time purchase, not a subscription.

How much will it cost to use Tencent: Hunyuan A13B Instruct (free)?

It costs 0 for input and 0 for output via OpenRouter. A typical conversation might cost $0.01-0.10 depending on length. Start with $5-10 in credits to test.

Can I use other models besides Tencent: Hunyuan A13B Instruct (free)?

Yes! With OpenRouter + TypingMind, you get access to 200+ models including GPT-4, Claude, Gemini, Llama, Mistral, and many more. 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). OpenRouter handles API calls securely and doesn't train on your data. Check each provider's data policy for specifics.

Can I use Tencent: Hunyuan A13B Instruct (free) for commercial projects?

Yes! Check Tencent's terms of service for specific commercial use policies. OpenRouter and TypingMind both support commercial use.

What if Tencent: Hunyuan A13B Instruct (free) is unavailable?

OpenRouter allows you to configure fallback models. If Tencent: Hunyuan A13B Instruct (free) is down, it can automatically route to your backup choice. You can also manually switch models in TypingMind anytime.

How do I cancel or get a refund?

OpenRouter: No subscriptions to cancel. Unused credits remain in your account forever.