feat: UTC-530: Deprecate gpt-4* models (#9313)

Co-authored-by: hakan458 <[email protected]>
Co-authored-by: matt-bernstein <[email protected]>

Author: 3 people

docs/source/includes/base_models.md

@@ -4,7 +4,7 @@
 
 | Provider | Supported models |
 | --- | --- |
-| **OpenAI** | gpt-5 <br>gpt-5-mini <br>gpt-5-nano <br>gpt-4.5-preview <br>gpt-4.1 <br>gpt-4.1-mini <br>gpt-4.1-nano <br>gpt-4 <br>gpt-4-turbo <br>gpt-4o <br>gpt-4o-mini <br>o3-mini <br>o1  |
+| **OpenAI** | gpt-5-2 <br>gpt-5.1 <br>gpt-5 <br>gpt-5-mini <br>gpt-5-nano   |
 | **Gemini** | gemini-2.5-pro <br>gemini-2.5-flash <br>gemini-2.5-flash-lite <br>gemini-2.0-flash <br>gemini-2.0-flash-lite   |
 | **Vertex AI** | gemini-2.5-pro <br>gemini-2.5-flash <br>gemini-2.5-flash-lite <br>gemini-2.0-flash <br>gemini-2.0-flash-lite   |
 | **Anthropic** | claude-3-5-haiku-latest <br>claude-3-5-sonnet-latest <br>claude-3-7-sonnet-latest   |