Use free models

# Alternative: Use free models
from transformers import pipeline

class FreeCoderAgent:
    def __init__(self):
        self.generator = pipeline(
            "text-generation", 
            model="codellama/CodeLlama-7b-hf"
        )
    
    def generate_code(self, prompt):
        result = self.generator(f"Write Python code: {prompt}", max_length=200)
        return result[0]['generated_text']