Update models.md

Author: ssalgadodev

articles/ai-foundry/model-inference/concepts/models.md

@@ -206,6 +206,15 @@ See [this model collection in Azure AI Foundry portal](https://ai.azure.com/expl
 | ------ | ---- | --- | ------------ |
 | [tsuzumi-7b](https://ai.azure.com/explore/models/Tsuzumi-7b/version/1/registry/azureml-nttdata) | chat-completion | Global standard | - **Input:** text (8,192 tokens) <br /> - **Output:** text (8,192 tokens) <br /> - **Languages:** `en` and `jp` <br />  - **Tool calling:** No <br /> - **Response formats:** Text |
 
+### xAI
+
+**Grok** is a family of models designed...
+
+| Model  | Type | Tier | Capabilities |
+| ------ | ---- | --- | ------------ |
+| [Grok]() |  | Global standard | - **Input:** text (0 tokens) <br /> - **Output:** text (0 tokens) <br /> - **Languages:**  <br />  - **Tool calling:**  <br /> - **Response formats:**  |
+| [Grok]() |  | Global standard | - **Input:** text (0 tokens) <br /> - **Output:** text (0 tokens) <br /> - **Languages:**  <br />  - **Tool calling:**  <br /> - **Response formats:**  |
+
 
 ## Open and protected models
 
@@ -215,4 +224,4 @@ Those models can be of open access or IP protected. In both cases, you have to d
 
 ## Next steps
 
-- Get started today and [deploy your fist model in Azure AI Foundry Models](../how-to/create-model-deployments.md)
+- Get started today and [deploy your fist model in Azure AI Foundry Models](../how-to/create-model-deployments.md)