Function calling

import os
from openai import OpenAI
import json

client = OpenAI(
    api_key=os.environ["REDPILL_AI_API_KEY"],
    base_url="https://api.redpill.ai/v1"
)

# Define available functions
tools = [{
    "type": "function",
    "function": {
        "name": "get_weather",
        "description": "Get current weather",
        "parameters": {
            "type": "object",
            "properties": {
                "location": {"type": "string"},
                "unit": {"type": "string", "enum": ["celsius", "fahrenheit"]}
            },
            "required": ["location"]
        }
    }
}]

# Make request
response = client.chat.completions.create(
    model="openai/gpt-5",
    messages=[{"role": "user", "content": "What's the weather in SF?"}],
    tools=tools
)

# Check if model wants to call function
tool_call = response.choices[0].message.tool_calls[0]
if tool_call.function.name == "get_weather":
    args = json.loads(tool_call.function.arguments)
    # Call your actual function
    weather = get_weather(args["location"], args.get("unit", "celsius"))

    # Send result back to model
    response = client.chat.completions.create(
        model="openai/gpt-5",
        messages=[
            {"role": "user", "content": "What's the weather in SF?"},
            response.choices[0].message,
            {
                "role": "tool",
                "tool_call_id": tool_call.id,
                "content": json.dumps(weather)
            }
        ],
        tools=tools
    )

    print(response.choices[0].message.content)

import OpenAI from 'openai';

const tools = [{
  type: 'function',
  function: {
    name: 'get_weather',
    description: 'Get current weather',
    parameters: {
      type: 'object',
      properties: {
        location: { type: 'string' },
        unit: { type: 'string', enum: ['celsius', 'fahrenheit'] }
      },
      required: ['location']
    }
  }
}];

const response = await client.chat.completions.create({
  model: 'openai/gpt-5',
  messages: [{ role: 'user', content: "What's the weather in SF?" }],
  tools: tools
});

const toolCall = response.choices[0].message.tool_calls[0];
if (toolCall.function.name === 'get_weather') {
  const args = JSON.parse(toolCall.function.arguments);
  const weather = await getWeather(args.location, args.unit);

  const finalResponse = await client.chat.completions.create({
    model: 'openai/gpt-5',
    messages: [
      { role: 'user', content: "What's the weather in SF?" },
      response.choices[0].message,
      {
        role: 'tool',
        tool_call_id: toolCall.id,
        content: JSON.stringify(weather)
      }
    ],
    tools: tools
  });

  console.log(finalResponse.choices[0].message.content);
}