docs: add aihubmix provider page

docs/providers/aihubmix.md

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+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
+# AIHubMix
+
+## Overview
+
+| Property | Details |
+|-------|-------|
+| Description | AIHubMix is an LLM gateway that provides unified, OpenAI-compatible access to models from OpenAI, Anthropic, Google, DeepSeek, Qwen, Moonshot, xAI, Zhipu and other providers. |
+| Provider Route on LiteLLM | `aihubmix/` |
+| Link to Provider Doc | [AIHubMix Documentation ↗](https://docs.aihubmix.com/en) |
+| Base URL | `https://aihubmix.com/v1` |
+| Supported Operations | `/chat/completions` |
+
+<br />
+<br />
+
+**We support ALL AIHubMix models, just set `aihubmix/` as a prefix when sending completion requests**
+
+## Available Models
+
+| Model | Description | Context Window |
+|-------|-------------|----------------|
+| `aihubmix/gpt-6-astra` | OpenAI's flagship agentic model | 1,050,000 tokens |
+| `aihubmix/claude-opus-5` | Anthropic's flagship reasoning model | 1,000,000 tokens |
+| `aihubmix/claude-sonnet-5` | Anthropic's balanced-tier model | 1,000,000 tokens |
+| `aihubmix/gemini-3.8-flash` | Google's fast, agent-oriented model | 1,048,576 tokens |
+| `aihubmix/deepseek-v4-pro-0813` | DeepSeek's flagship reasoning model | 1,000,000 tokens |
+| `aihubmix/kimi-k3` | Moonshot's always-on reasoning model | 1,048,576 tokens |
+| `aihubmix/qwen3.8-max` | Alibaba's flagship Qwen model | 1,000,000 tokens |
+| `aihubmix/coding-glm-5.3` | Zhipu's coding-oriented GLM model | 1,048,576 tokens |
+| `aihubmix/grok-4.6` | xAI's flagship model | 500,000 tokens |
+
+See the full, up-to-date list at [aihubmix.com/models](https://aihubmix.com/models).
+
+## Required Variables
+
+```python showLineNumbers title="Environment Variables"
+os.environ["AIHUBMIX_API_KEY"] = ""  # your AIHubMix API key
+```
+
+## Usage - LiteLLM Python SDK
+
+### Non-streaming
+
+```python showLineNumbers title="AIHubMix Non-streaming Completion"
+import os
+import litellm
+from litellm import completion
+
+os.environ["AIHUBMIX_API_KEY"] = ""  # your AIHubMix API key
+
+messages = [{"content": "Hello, how are you?", "role": "user"}]
+
+# AIHubMix call
+response = completion(
+    model="aihubmix/claude-sonnet-5",
+    messages=messages
+)
+
+print(response)
+```
+
+### Streaming
+
+```python showLineNumbers title="AIHubMix Streaming Completion"
+import os
+import litellm
+from litellm import completion
+
+os.environ["AIHUBMIX_API_KEY"] = ""  # your AIHubMix API key
+
+messages = [{"content": "Write a short story about AI", "role": "user"}]
+
+# AIHubMix call with streaming
+response = completion(
+    model="aihubmix/claude-sonnet-5",
+    messages=messages,
+    stream=True
+)
+
+for chunk in response:
+    print(chunk)
+```
+
+### Function Calling
+
+```python showLineNumbers title="AIHubMix Function Calling"
+import os
+import litellm
+from litellm import completion
+
+os.environ["AIHUBMIX_API_KEY"] = ""  # your AIHubMix API key
+
+tools = [{
+    "type": "function",
+    "function": {
+        "name": "get_weather",
+        "description": "Get the current weather in a location",
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "location": {
+                    "type": "string",
+                    "description": "The city and state, e.g. San Francisco, CA"
+                }
+            },
+            "required": ["location"]
+        }
+    }
+}]
+
+messages = [{"role": "user", "content": "What's the weather in Boston?"}]
+
+response = completion(
+    model="aihubmix/gpt-6-astra",
+    messages=messages,
+    tools=tools,
+    tool_choice="auto"
+)
+
+print(response)
+```
+
+## Usage - LiteLLM Proxy Server
+
+```yaml showLineNumbers title="config.yaml"
+model_list:
+  - model_name: claude-sonnet-5
+    litellm_params:
+      model: aihubmix/claude-sonnet-5
+      api_key: os.environ/AIHUBMIX_API_KEY
+  - model_name: gpt-6-astra
+    litellm_params:
+      model: aihubmix/gpt-6-astra
+      api_key: os.environ/AIHUBMIX_API_KEY
+  - model_name: gemini-3.8-flash
+    litellm_params:
+      model: aihubmix/gemini-3.8-flash
+      api_key: os.environ/AIHUBMIX_API_KEY
+  - model_name: deepseek-v4-pro
+    litellm_params:
+      model: aihubmix/deepseek-v4-pro-0813
+      api_key: os.environ/AIHUBMIX_API_KEY
+```
+
+## Custom API Base
+
+**Option 1: Environment variable**
+
+```python showLineNumbers title="Custom API Base via env var"
+import os
+from litellm import completion
+
+os.environ["AIHUBMIX_API_BASE"] = "https://custom.aihubmix.com/v1"
+os.environ["AIHUBMIX_API_KEY"] = ""  # your API key
+
+response = completion(
+    model="aihubmix/claude-sonnet-5",
+    messages=[{"content": "Hello!", "role": "user"}],
+)
+```
+
+**Option 2: Pass directly**
+
+```python showLineNumbers title="Custom API Base via parameter"
+from litellm import completion
+
+response = completion(
+    model="aihubmix/claude-sonnet-5",
+    messages=[{"content": "Hello!", "role": "user"}],
+    api_base="https://custom.aihubmix.com/v1",
+    api_key="your-api-key",
+)
+```
+
+## Supported OpenAI Parameters
+
+- `temperature`
+- `max_tokens`
+- `max_completion_tokens`
+- `top_p`
+- `frequency_penalty`
+- `presence_penalty`
+- `stop`
+- `n`
+- `stream`
+- `tools`
+- `tool_choice`
+- `response_format`
+- `seed`
+- `user`
+- `logit_bias`
+- `logprobs`
+- `top_logprobs`

sidebars.js

@@ -1123,6 +1123,7 @@ const sidebars = {
         "providers/litellm_proxy",
         "providers/abliteration",
         "providers/ai21",
+        "providers/aihubmix",
         "providers/aiml",
         "providers/aleph_alpha",
         "providers/amazon_nova",