Update with the release of new models

Author: ChrisHMSFT

articles/cognitive-services/openai/concepts/models.md

@@ -185,6 +185,7 @@ When using our Embeddings models, keep in mind their limitations and risks.
 ### Embeddings Models
 |  Model  | Supports Completions | Supports Embeddings |  Base model Regions   | Fine-Tuning Regions |	
 |  --- | --- | --- | --- | --- |
+| text-ada-embeddings-002 | No | Yes | East US, South Central US, West Europe | N/A |
 | text-similarity-ada-001 | No | Yes | East US, South Central US, West Europe | N/A |
 | text-similarity-babbage-001 | No | Yes | South Central US, West Europe | N/A |
 | text-similarity-curie-001 | No | Yes | East US, South Central US, West Europe | N/A |

articles/cognitive-services/openai/whats-new.md

@@ -21,7 +21,7 @@ keywords:
 
 * **Service GA**. Azure OpenAI is now generally available.​
 
-* **New models**: Addition of the latest text model, text-davinci-003
+* **New models**: Addition of the latest text model, text-davinci-003 (East US, West Europe), text-ada-embeddings-002 (East US, South Central US, West Europe)
 
 
 ## December 2022