Update README.md

README.md

@@ -154,7 +154,22 @@ with user():
 with assistant():
     lm += gen("fact")
 ```
-<img width="645" alt="image" src="https://github.com/guidance-ai/guidance/assets/3740613/f31ed7b8-1868-44d2-b14c-4842b0a40e5c">
+<img width="645" alt="image" src="https://github.com/guidance-ai/guidance/assets/3740613/f31ed7b8-1868-44d2-b14c-4842b0a40e5c"><br>
+
+14. **Multi-model support.**
+```python
+from guidance import image
+
+gemini = models.VertexAI("gemini-pro-vision")
+
+with user():
+    lm = gemini + "What is this a picture of?" + image("longs_peak.jpg")
+
+with assistant():
+    lm += gen("answer")
+```
+<img width="673" alt="image" src="https://github.com/guidance-ai/guidance/assets/3740613/6450d05d-52e9-4ef5-b280-8b57e733d46d">
+
 
 
 ## Table of Contents