Merge pull request #5182 from santiagxf/santiagxf-patch-1

Update overview.md

Author: prmerger-automator[bot]

articles/ai-foundry/model-inference/overview.md

@@ -35,6 +35,7 @@ You can get access to the key model providers in the industry. Explore the follo
 - [Microsoft](concepts/models.md#microsoft)
 - [Mistral AI](concepts/models.md#mistral-ai)
 - [NTT Data](concepts/models.md#ntt-data)
+- [xAI](concepts/models.md#xai)
 
 To see details for each model including language, types, and capabilities, see [Models](concepts/models.md) article.