update for o1

Author: alanalanlu

README.md

@@ -60,11 +60,11 @@ Let's assume we want to download utility bills:
    Log into your platform and perform the desired action (such as downloading a utility bill).
 6. Run Integuru:
    ```
-   poetry run integuru --prompt "download utility bills" --model gpt-4o
+   poetry run integuru --prompt "download utility bills" --model <gpt-4o|o1-preview|o1-mini|o1>
    ```
    You can also run it via Jupyter Notebook `main.ipynb`
 
-   **Recommended to use gpt-4o as the model for graph generation as it supports function calling. Integuru will automatically switch to o1-preview for code generation if available in the user's OpenAI account.** ⚠️ **Note: o1-preview does not support function calls.**
+   **Recommended to use gpt-4o as the model for graph generation as it supports function calling. Integuru will automatically switch to o1-preview for code generation if available in the user's OpenAI account.** 
 
 ## Usage