OpenAI (Native Mode)

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from openai import OpenAI
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client = OpenAI(
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    api_key="sk-proxy-YOUR_KEY_HERE",
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    base_url="https://gateway.example.com/openai"
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)

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response = client.chat.completions.create(
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    model="gpt-4o",
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    messages=[
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        {"role": "system", "content": "You are a helpful assistant."},
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        {"role": "user", "content": "Explain quantum computing in one paragraph."}
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    ]
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)
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print(response.choices[0].message.content)

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stream = client.chat.completions.create(
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    model="gpt-4o",
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    messages=[{"role": "user", "content": "Write a haiku about APIs."}],
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    stream=True
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)
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for chunk in stream:
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    if chunk.choices[0].delta.content:
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        print(chunk.choices[0].delta.content, end="")

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import json
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tools = [
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    {
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        "type": "function",
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        "function": {
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            "name": "get_weather",
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            "description": "Get the current weather for a location",
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            "parameters": {
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                "type": "object",
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                "properties": {
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                    "location": {"type": "string", "description": "City name"}
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                },
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                "required": ["location"]
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            }
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        }
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    }
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]
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response = client.chat.completions.create(
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    model="gpt-4o",
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    messages=[{"role": "user", "content": "What's the weather in Tokyo?"}],
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    tools=tools,
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    tool_choice="auto"
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)
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tool_call = response.choices[0].message.tool_calls[0]
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print(f"Function: {tool_call.function.name}")
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print(f"Arguments: {tool_call.function.arguments}")