chore: replace old models

Author: SachaMorard

README.md

@@ -20,7 +20,7 @@ edgee = Edgee("your-api-key")
 
 # Send a simple request
 response = edgee.send(
-    model="gpt-4o",
+    model="gpt-5.2",
     input="What is the capital of France?"
 )
 
@@ -34,7 +34,7 @@ The `send()` method makes non-streaming chat completion requests:
 
 ```python
 response = edgee.send(
-    model="gpt-4o",
+    model="gpt-5.2",
     input="Hello, world!"
 )
 
@@ -58,7 +58,7 @@ if response.compression:
 The `stream()` method enables real-time streaming responses:
 
 ```python
-for chunk in edgee.stream("gpt-4o", "Tell me a story"):
+for chunk in edgee.stream("gpt-5.2", "Tell me a story"):
     if chunk.text:
         print(chunk.text, end="", flush=True)
 

example/compression.py

@@ -87,7 +87,7 @@
 Based on this context, summarize the key milestones in AI development in 3 bullet points."""
 
 response = edgee.send(
-    model="gpt-4o",
+    model="gpt-5.2",
     input={
         "messages": [
             {"role": "user", "content": user_message},

example/test.py

@@ -37,7 +37,7 @@
 # Test 3: With tools
 print("Test 3: With tools")
 response3 = edgee.send(
-    model="gpt-4o",
+    model="gpt-5.2",
     input={
         "messages": [{"role": "user", "content": "What is the weather in Paris?"}],
         "tools": [