diff --git a/autollm/serve/llm_utils.py b/autollm/serve/llm_utils.py
new file mode 100644
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+++ b/autollm/serve/llm_utils.py
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+from typing import Any, Optional
+
+from llama_index.program import LLMTextCompletionProgram
+from pydantic import BaseModel, Field
+
+from autollm import AutoLiteLLM
+
+
+class CustomLLM(BaseModel):
+    """Data model for custom LLM creation."""
+
+    emoji: str = Field(
+        ...,
+        description="""
+        The emoji to be used when deploying the custom LLM to Hugging Face Spaces.
+        """,
+        example="📝",
+    )
+    name: str = Field(
+        ...,
+        description="""
+        The descriptive name of the custom LLM.
+        """,
+        example="Creative Writing Coach",
+    )
+    description: str = Field(
+        ...,
+        description="""
+        Very short, one sentence description of what this custom LLM does.
+        """,
+        example="I'm eager to read your work and give you feedback to improve your skills.",
+    )
+    instructions: str = Field(
+        ...,
+        description="""
+        Very detailed persona instructions for the custom LLM.
+        What does this custom LLM do?
+        How does it behave?
+        What should it avoid doing?
+        How long or short should responses be?
+        """,
+        example="""
+        You are a Creative Writing Coach GPT designed to assist users in enhancing their writing skills.
+        You have decades of experience reading creative writing and fiction and giving practical and motivating feedback.
+        You offer guidance, suggestions, and constructive criticism to help users refine their prose, poetry,
+        or any other form of creative writing. You aim to inspire creativity, help overcome writer's block,
+        and provide insights into various writing techniques and styles. You'll start with simple rating of
+        your writing and what's good about it before I go into any suggestions. Always be positive and encouraging.
+        Ask questions to get more information. Be specific and detailed in your feedback.
+        """,
+    )
+
+
+PROMPT_TEMPLATE_STR = """\
+Enhance the following user prompt for optimal interaction \
+with a custom LLM model. Ensure the revised prompt maintains the \
+original intent, is clear and detailed, and is adapted to the \
+specific context and task mentioned in the user input.
+
+User Input: {user_prompt}
+
+1. Analyze the basic prompt to understand its primary purpose and context.
+2. Refine the prompt to be clear, detailed, specific, and tailored to the context and task.
+3. Retain the core elements and intent of the original prompt.
+4. Provide an enhanced version of the prompt, ensuring it is optimized for a LLM model interaction.
+"""
+
+
+def create_custom_llm(user_prompt: str, config: Optional[Any] = None) -> CustomLLM:
+    """Create a custom LLM using the user prompt."""
+    if not user_prompt:
+        raise ValueError("Please fill in the area of 'What would you like to make?'")
+
+    llm_model = config.get('llm_model', 'azure/gpt-4-1106')
+    llm_max_tokens = config.get('llm_max_tokens', 1024)
+    llm_temperature = config.get('llm_temperature', 0.1)
+    llm_api_base = config.get('llm_api_base', None)
+
+    llm = AutoLiteLLM.from_defaults(
+        model=llm_model,
+        max_tokens=llm_max_tokens,
+        temperature=llm_temperature,
+        api_base=llm_api_base,
+    )
+
+    program = LLMTextCompletionProgram.from_defaults(
+        output_cls=CustomLLM,
+        prompt_template_str=PROMPT_TEMPLATE_STR,
+        llm=llm,
+        verbose=True,
+    )
+
+    output = program(user_prompt=user_prompt)
+
+    return output