# Connect AIHubMix [AIHubMix](https://aihubmix.com/?aff=4bfH) is a multi-model AI API gateway that provides unified access to OpenAI, Claude, Gemini, DeepSeek, Kimi and more through a single API key. Beyond LLM, it also supports speech, embedding, reranking and other capabilities. Fully compatible with the OpenAI API format — just change the API Base and Key to get started. **Some models are completely free for development and testing.** ## Get an API Key 1. Sign up at [AIHubMix](https://aihubmix.com/?aff=4bfH) 2. Go to Console → API Keys to create a new key ![Get an API Key](https://github.com/user-attachments/assets/d717f21b-2805-4aff-ac90-f5c98f17cb79) ## Configure in AstrBot Open the AstrBot dashboard , click **Providers → Add Provider → OpenAI**. Fill in the following: | Field | Value | |-------|-------| | API Base URL | `https://aihubmix.com/v1` | | API Key | Your AIHubMix key | After saving, click the provider card to add models. ![Configure in AstrBot](https://github.com/user-attachments/assets/ee2fb8ba-652c-4e97-a781-42a9082ad7eb) ## Recommended Models ### Free Models 🆓 These models are completely free, great for development and testing: | Model ID | Description | |----------|-------------| | `gpt-4.1-free` | GPT-4.1 free tier | | `gemini-3-flash-preview-free` | Gemini 3 Flash free tier | | `coding-glm-5-free` | GLM-5 coding model, free | | `coding-minimax-m2.5-free` | MiniMax M2.5 coding model, free | ### Paid Models (Popular) | Model ID | Provider | Description | |----------|----------|-------------| | `gpt-5.4` | OpenAI | Latest flagship model | | `claude-sonnet-4-6` | Anthropic | Great for reasoning and code | | `gpt-5.3-chat-latest` | OpenAI | High-performance chat | | `deepseek-v3.2` | DeepSeek | Cost-effective | | `kimi-k2.5` | Moonshot | Long context | | `gemini-3.1-pro-preview` | Google | Multimodal | > See the full model list at [AIHubMix Docs](https://doc.aihubmix.com). ## More Than Chat Models AIHubMix also supports the following capabilities, all configurable in AstrBot: | Capability | AstrBot Config Location | |------------|------------------------| | Speech-to-Text (STT) | Providers → Speech to Text | | Text-to-Speech (TTS) | Providers → Text to Speech | | Embedding | Providers → Embedding | | Reranking | Providers → Rerank | All capabilities use the same API Key and API Base — no extra setup needed. ## Set as Default Go to **Settings → Provider Settings**, set "Default Chat Model Provider" to your AIHubMix provider, and save.