# Define the GPT-4 Turbo model
gpt4_turbo = dspy.Databricks(api_key=OPENROUTER_API_KEY,
  api_base="https://openrouter.ai/api/v1",
  model="openai/gpt-4-turbo")

# Define new Optimizer which uses GPT-4 Turbo as a teacher
optimizers_gpt4_teacher = {
    'bootstrap_few_shot': BootstrapFewShot(metric=metric, max_errors=20, teacher_settings=dict(lm=gpt4_turbo)),
}

# Compile the models and evaluate them as before
ms_gpt4_teacher = ModelSelection(modules=modules_revised, optimizers=optimizers_gpt4_teacher, metric=metric, trainset=trainset)
ms_gpt4_teacher.evaluate(testset=testset)
ms_gpt4_teacher.evaluation_matrix