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Choosing the Right AI Framework for Your Custom LLM

Written by Mike Bowers | Oct 11, 2024 7:54:05 PM

In today's rapidly evolving landscape of artificial intelligence, Large Language Models (LLMs) have become indispensable tools across various industries. Whether you're aiming to enhance customer interactions with intelligent chatbots, streamline underwriting processes, or gain deeper insights through data analysis, developing a custom LLM tailored to your needs can provide a significant competitive advantage.

However, selecting the right AI framework is crucial to the success of your project. At Heed AI, we've navigated this journey ourselves. We've chosen to utilize LangChain for developing our Actuary and Underwriting as a Service LLMs, specifically designed for our clients in the Insurance, Risk Management, and Financial Services sectors. In this blog post, we'll share our insights to help you choose the best framework for your scenario.

Understanding AI Frameworks for LLMs

AI frameworks serve as the foundation for developing, training, and deploying machine learning models. The right framework can streamline development, enhance performance, and simplify integration with your existing systems.

Below, we explore some of the leading AI frameworks, sharing our experiences and considerations to help guide your decision-making process.

1. LangChain

Why We Chose LangChain

LangChain is a specialized framework designed explicitly for building applications with large language models. Its robust features align perfectly with the complex requirements of our Actuary and Underwriting solutions.

Key Features:

  • Model I/O and Data Connections: Simplifies interactions with LLMs and seamlessly connects to various data sources.
  • Chains and Workflows: Enables the creation of complex sequences of operations, allowing advanced functionalities like multi-step reasoning.
  • Memory Management: Supports conversational memory to maintain context across interactions, enhancing user experience.
  • Agents and Tools: Provides agents that can make decisions based on user input and predefined tools, increasing the capabilities of your applications.
  • Integration: Works well with OpenAI and Hugging Face models, making it versatile for different projects.

Our Experience:

By leveraging LangChain, we've accelerated development, customized workflows, and integrated seamlessly with our clients' existing systems. Its focus on large language models makes it an ideal choice for complex applications in the insurance and financial sectors, where precision and efficiency are paramount.

2. Hugging Face Transformers

Overview:

Hugging Face Transformers is renowned for its extensive collection of pre-trained models and tools for fine-tuning, making it a popular choice for natural language processing tasks.

Key Features:

  • Model Zoo: Access to a vast array of state-of-the-art models for various NLP tasks.
  • Easy Customization: Simplifies fine-tuning models on custom datasets.
  • User-Friendly Interface: Intuitive APIs for quick development and deployment.

Considerations:

While Hugging Face offers a rich set of resources, we found that integrating it with our specific use cases required additional effort, especially when aligning with cloud platforms like Azure and ensuring compliance with industry regulations.

3. vLLM

Overview:

vLLM is designed for high-throughput, low-latency inference of large language models. It's optimized for serving LLMs efficiently.

Key Features:

  • Optimized Inference Engine: Enhances performance for serving LLMs in production environments.
  • Batched Prompt Delivery: Efficiently handles multiple requests simultaneously.
  • Memory Management: Reduces memory overhead during inference.

Considerations:

While vLLM excels in inference speed, it focuses primarily on that aspect. For our needs, which required a more comprehensive solution including training and complex workflows, LangChain was a better fit.

4. Text Generation Inference (TGI)

Overview:

TGI offers robust inference capabilities with fine-grained control, making it suitable for deploying language models at scale.

Key Features:

  • Native Hugging Face Support: Seamless integration with Hugging Face models.
  • Precision Adjustment: Control over model precision and quantization for optimized performance.
  • Scalability: Designed to handle large-scale deployments efficiently.

Considerations:

For our applications, the need for extensive adapters and complex workflows made LangChain a more suitable choice. TGI may be ideal if you're deploying models without the need for multiple adapters or intricate chains.

5. OpenLLM

Overview:

OpenLLM facilitates the deployment of large language models with support for adapters and various machine learning frameworks.

Key Features:

  • Adapter Connectivity: Connects adapters to the core model for enhanced capabilities.
  • Framework Agnostic: Compatible with PyTorch, TensorFlow, and more.
  • Hugging Face Agents Integration: Supports advanced agent-based interactions.

Considerations:

OpenLLM offers high customization but may introduce complexity not necessary for certain projects. We prioritized a balance between flexibility and ease of integration, leading us to select LangChain.

6. Ray Serve

Overview:

Ray Serve is a scalable model serving library built on the Ray distributed computing framework, suitable for deploying machine learning models at scale.

Key Features:

  • Scalability: Handles high-load scenarios with ease.
  • Flexible Deployment: Supports various deployment patterns and infrastructures.
  • Pipeline Support: Manages complex inference pipelines efficiently.

Considerations:

While Ray Serve excels in scalability, for our initial development phases and specific use cases, we preferred a framework that offered rapid development and easier integration without the overhead of managing distributed systems.

7. PyTorch

Overview:

PyTorch is a widely-used deep learning framework known for its flexibility, especially in research and prototyping.

Key Features:

  • Dynamic Computation Graphs: Allows for flexible model building and experimentation.
  • Extensive Community: Rich ecosystem of libraries and tools.
  • Cross-Platform Support: Works on CPUs and GPUs, offering versatility.

Considerations:

PyTorch is powerful but not specifically tailored for LLM applications. We opted for LangChain to take advantage of its specialized features for large language models, reducing development time and complexity.

Key Considerations When Developing a Custom LLM

When choosing an AI framework, it's essential to consider:

  1. Specific Use Case and Requirements:

    • Application Type: Determine whether you're building a chatbot, underwriting tool, data analyzer, etc.
    • Performance Needs: Assess requirements for latency, throughput, and scalability, especially for real-time applications.
  2. Level of Customization Needed:

    • Pre-trained vs. Custom Models: Decide if pre-trained models meet your needs or if you require custom training.
    • Workflow Complexity: Choose a framework that supports the complexity of your operations, including multi-step reasoning and decision-making.
  3. Integration with Existing Systems:

    • API Compatibility: Ensure the framework allows for seamless integration with your current tech stack.
    • Data Sources: Verify compatibility with your data storage and retrieval systems, crucial for sectors handling sensitive information.
  4. Compliance and Security:

    • Industry Regulations: Consider frameworks that support compliance with regulations like GDPR, HIPAA, or industry-specific standards.
    • Data Privacy: Ensure secure handling of sensitive data, a critical factor in insurance and financial services.
  5. Team Expertise:

    • Learning Curve: Evaluate the ease of adoption based on your team's familiarity with the framework.
    • Community Support: A strong community can aid in troubleshooting and provide valuable resources.

How We Can Assist You

Selecting the right AI framework is a critical decision that can significantly impact your project's success. With our hands-on experience in developing custom LLMs using LangChain, we're well-positioned to guide you through this process.

Our Services Include:

  • Consultation: Assessing your specific needs and recommending the most suitable framework.
  • Development: Building custom LLMs tailored to your business objectives.
  • Integration: Ensuring seamless integration with your existing systems and workflows.
  • Compliance Support: Navigating industry regulations to ensure your solutions meet all necessary standards.

Ready to Transform Your Business with AI?

Choosing the optimal AI framework doesn't have to be overwhelming. If you're seeking expert guidance in selecting and implementing the right combination for your scenario, we're here to help.

Schedule a consultation with us today, and let's work together to unlock the full potential of AI for your organization.

About Heed AI

At Heed AI, we specialize in leveraging artificial intelligence to drive innovation and efficiency in the Insurance, Risk Management, and Financial Services industries. Our expertise in developing custom LLMs empowers businesses to stay ahead in a competitive landscape, improving accuracy and allowing your team to focus on strategic initiatives.

Get in Touch

Ready to embark on your AI journey? Contact us to schedule a consultation and explore how we can assist you in selecting and implementing the right AI framework for your needs.

 

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