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Integrate with MiniMax M2.1

warning

This tutorial is a community contribution and is not supported by the Open WebUI team. It serves only as a demonstration on how to customize Open WebUI for your specific use case.

Integrating Open WebUI with MiniMax M2.1

MiniMax is a leading AI company providing high-performance coding-focused models. Their latest model, MiniMax M2.1, is specifically optimized for coding, reasoning, and multi-turn dialogue. This guide covers how to set up MiniMax via their cost-effective Coding Plan and integrate it into Open WebUI.

Step 1: Subscribe to a MiniMax Coding Plan​

MiniMax offers a "Coding Plan" subscription which is significantly more cost-effective for high-frequency programming than standard pay-as-you-go models.

  1. Visit the MiniMax Coding Plan Subscription page.
  2. Choose a plan that fits your needs (e.g., the Starter plan for $10/month).
  3. Complete the subscription process.
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The Starter plan provides 100 "prompts" every 5 hours. One prompt is roughly equivalent to 15 requests, offering substantial value compared to token-based billing.

Source: MiniMax Coding Plan Official Documentation

Step 2: Obtain Your Coding Plan API Key​

Once subscribed, you need your specialized API Key.

  1. Navigate to the Account/Coding Plan page.
  2. Click on Reset & Copy to generate and copy your API Key.
  3. Safely store this key in a password manager.

MiniMax Platform API Usage

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This API Key is exclusive to the Coding Plan and is not interchangeable with standard pay-as-you-go API Keys.

Step 3: Configure Connection in Open WebUI​

Now, link MiniMax to your Open WebUI instance.

  1. Open Open WebUI and navigate to the Admin Panel > Settings > Connections.
  2. Click the + (plus) icon under the OpenAI API section.
  3. Enter the following details:
    • API Base URL: https://api.minimax.io/v1
    • API Key: YOUR_CODING_PLAN_API_KEY
  4. Important: MiniMax does not expose models via a /models endpoint, so you must whitelist the model manually.
  5. In the Model Whitelist, type MiniMax-M2.1 and click the + icon.
  6. Click Verify Connection (you should see a success alert).
  7. Click Save on the connection popup, then scroll down and click Save on the main Connections page.

MiniMax Connection Setup 1 MiniMax Connection Setup 2

Step 4: Start Chatting​

You are now ready to use MiniMax M2.1!

  1. Start a new chat.
  2. Select MiniMax-M2.1 from the model dropdown menu.
  3. Send a message. Reasoning and thinking work by default without any additional configuration.

MiniMax Chat interface

Enjoy using one of the best and most affordable coding-focused models! 🚀