Mixture of Agents Enhancing Large Language Model Capabilities
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September 25, 2024, 14 min read time

Published by Vedant Sharma in Additional Blogs

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In recent years, large language models (LLMs) have significantly advanced natural language understanding and generation. These models, trained on vast datasets and fine-tuned to meet human preferences, showcase remarkable capabilities. However, the increasing number and variety of LLMs present a new challenge: how do you effectively utilize their collective expertise?

This is where the Mixture-of-Agents (MoA) methodology offers a solution. Mixture-of-Agents uses the collective intelligence of multiple LLMs to collaborate on complex tasks, allowing each agent to specialize in specific areas, exchange information, and work together to provide more accurate and comprehensive results than a single model could achieve.

With Ema's proprietary Generative Workflow Engine™, you can similarly harness the power of multiple AI agents to automate complex workflows efficiently.

Now, let’s dive deeper to see precisely what Mixture of Agents entails.

What Is Mixture of Agents?

Mixture of Agents (MoA) is an advanced approach in artificial intelligence (AI) that leverages the combined strengths of multiple models, often large language models (LLMs), to solve complex tasks more efficiently. Unlike relying on a single AI model, the MoA method distributes different tasks or subtasks among specialized agents, each excelling in a particular area.

In MoA, each agent (or model) contributes unique expertise, working together to enhance overall performance. The goal is to maximize each model's capabilities, creating a collective intelligence that is more powerful than any single model working alone. This approach is especially useful in situations where diverse types of input or tasks require different skill sets from AI models.

By strategically coordinating these agents, MoA enhances AI systems' accuracy, efficiency, and adaptability, enabling them to address more complex problems and push the boundaries of AI performance.

Why Mixture of Agents is better than LLMs

Traditional approaches to large language models (LLMs) typically rely on a single model trained on vast datasets to tackle various tasks. While effective, these models face challenges in terms of scalability and specialization. Expanding a single model is costly and time-consuming, often necessitating retraining with large datasets. Mixture of Agents (MoA) addresses these limitations by distributing tasks among multiple specialized LLMs, known as agents, and refining their outputs through collaboration. This approach enhances performance and offers a more scalable and cost-effective solution.

The Concept of Collaborativeness in LLMs

A crucial concept behind MoA is "collaborativeness," which refers to the improved performance that LLMs achieve when they can reference outputs from other models. This leads to higher-quality responses than relying on a single LLM. MoA leverages this phenomenon, enhancing overall response quality through iterative refinement across multiple models.

Ema’s approach leverages similar collaborative benefits, ensuring your enterprise operations run smoothly with high adaptability and reduced costs.

Advantages of Collaborative Responses

Collaborative LLM responses offer several key benefits. First, they combine diverse perspectives and strengths, resulting in more comprehensive and robust answers. Second, this approach mitigates the weaknesses of individual models, as collective expertise can address a wider range of tasks. Finally, collaboration boosts the flexibility and adaptability of LLMs, making them more capable of handling complex, varied inputs.

Layered MoA Architecture

The MoA model employs a layered structure where agents work in phases. Initial "proposers" generate diverse reference responses, and "aggregators" refine these responses into higher-quality outputs.

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Fig: Illustration of the Mixture-of-Agents Structure. The above example showcases 4 MoA layers with three agents in each layer. (Source: Link)

Watch this YT video on how Mixture of Agents yields far better results than traditional AI. - Mixture of Agents (MoA) BEATS GPT4o With Open-Source (Fully Tested)

Ema’s agent library, powered by EmaFusion™, draws from over 100 models to ensure each task benefits from the best-suited AI expertise. Hire her now!

How Mixture of Agents (MoA) Functions

The Mixture of Agents (MoA) system works in layers. Each stage builds on the previous one to create a more refined and comprehensive response. Here’s a detailed look at how it operates:

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Step 1: Initial Prompt Submission

The process begins when a user submits a prompt or question to the first layer of the MoA model. This layer sets the stage for the initial responses.

Step 2: Proposers Generate Diverse Responses

In the first layer, a set of specialized agents known as "proposers" are activated. Each proposer independently generates a response based on the prompt. These agents are selected for their ability to offer strong initial answers, bringing a range of perspectives and ideas that will form the basis for further refinement.

Step 3: Information Sharing Across Layers

Once the proposers have provided their responses, these answers are shared with the agents in the next layer. This information exchange ensures that the subsequent agents have a broader context from which to work, allowing them to build on the initial proposals.

Step 4: Aggregators Refine and Synthesize

The second layer consists of "aggregators" who analyze the responses generated by the proposers. These agents take the diverse answers, refine them, and combine the best elements into a single, high-quality response. This refinement continues across additional layers, each improving on the previous one by incorporating more context and insights.

Step 5: Final Output

The final response produced by the MoA model results from this layered, collaborative refinement. By leveraging the strengths of multiple agents at each stage, the MoA process ensures that the output is more complete, nuanced, and accurate than any individual agent’s response could be.

Also read Evolution of the Polyglots: Where Enterprise Search, Automation Systems and LLMs Fall Short.

Benchmark Results

The MoA (Mixture of Agents) framework has undergone extensive evaluation across widely recognized benchmarks, including AlpacaEval 2.0, MT-Bench, and FLASK. The outcomes from these rigorous tests have been exceptional, placing MoA among the top-performing models on these leaderboards. This demonstrates its ability to compete with and surpass leading AI models in various language tasks.

One of the most notable achievements occurred on AlpacaEval 2.0, a benchmark measuring language model performance across multiple dimensions. MoA achieved a 7.6% absolute improvement, raising its score from 57.5%, the previous benchmark set by GPT-4o, to an impressive 65.1%. This performance was achieved exclusively using open-source models, a significant accomplishment compared to closed-source alternatives, which are often associated with higher costs and greater resource demands.

MoA's ability to outperform even proprietary models highlights its effectiveness in both language comprehension and generation tasks. By leveraging its multi-agent architecture, it capitalizes on the strengths of various LLMs to enhance accuracy and performance. This makes it a standout framework in the AI landscape, demonstrating that open-source collaboration can lead to state-of-the-art results without the need for closed, proprietary systems.

Ema also distinguishes by integrating highly accurate models, ensuring top-tier performance across enterprise tasks.

Next up, let's compare Mixture of Agents with other cutting-edge multi-model techniques.

How AI Agents Perform Better Than LLMs

AI agents are proving more effective than traditional Large Language Models (LLMs) in several ways. Their ability to work together, improve over time, and quickly complete tasks makes them a strong business option. Here’s how AI agents outshine LLMs:

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  • Better at Problem Solving

AI agents, especially in multi-agent systems, work together to solve problems more accurately. Studies show they can simulate human behavior with 88% accuracy, while LLMs only reach about 50%. This teamwork allows AI agents to deliver more human-like and reliable results.

  • Constant Improvement

When LLMs are used within an AI agent system, their performance improves significantly. For example, in coding projects, accuracy jumps from 48% with LLMs alone to almost 95% with AI agents. This means AI agents continuously learn and improve at tasks, making them much more efficient.

  • Faster and More Accurate Task Completion

AI agents are faster and more accurate when integrating with enterprise apps and completing tasks. They do the job more quickly and at a lower cost than LLMs, which often require more time and resources to perform the same tasks.

In summary, AI agents are becoming the go-to choice for businesses because they’re more accurate, improve over time, and deliver faster results than traditional LLMs.

This brings us to the exciting future possibilities for MoA research.

Future Possibilities for Mixture of Agents

Though Mixture of Agents (MoA) is still in its early stages, it presents exciting opportunities for the future of large language models (LLMs). Several areas of exploration show significant potential for advancing the MoA framework.

  • Expanding Agent Diversity: Currently, MoA uses LLMs with similar capabilities. Incorporating a variety of models, such as those specialized in factual knowledge or creative writing, could enhance MoA's performance. Just as an orchestra benefits from adding unique instruments like synthesizers or vocalists, integrating diverse LLMs would result in more nuanced and well-rounded responses. This diversity could add depth and flexibility, improving the overall quality of outputs.
  • Enhancing Explainability and Transparency: Understanding how individual agents in the MoA framework collaborate and contribute to the final output is key to building trust and improving transparency. Like how an orchestra conductor guides each section, it's important to know which agents played the most significant roles and why. Developing this understanding would improve interpretability, allowing users greater control and confidence in the system.
  • Optimizing for Scalability and Efficiency: Training MoA models with multiple layers of agents can be resource-intensive. Researchers are investigating ways to make this process more efficient, such as using knowledge distillation, where smaller, more efficient models learn from larger, more complex MoA models. By streamlining the training process, MoA could become more scalable and accessible, making it easier to adopt for larger and more complex tasks.
  • Expanding Beyond Text Data: While MoA currently focuses on text-based data, there is significant potential in developing the framework to incorporate other data types, such as images, audio, and even code. A multimodal MoA model capable of processing text, analyzing visuals, and generating interactive outputs could transform industries like education, where students could benefit from personalized learning experiences that combine various forms of media. This expansion could unlock even greater potential across diverse applications.

Also read Agentic AI and the OODA Loop: A New Era of Intelligent Collaboration.

Conclusion

The Mixture-of-Agents (MoA) methodology represents a major leap forward in natural language processing (NLP) by utilizing the collective strengths of multiple large language models (LLMs). Unlike traditional approaches that rely on a single model, MoA distributes tasks among specialized agents, allowing for more accurate and refined outputs. This collaborative structure enhances performance and offers a scalable and cost-effective alternative to the often resource-intensive process of scaling individual LLMs.

Read how Ema’s brain is built with a mixture of agents, Generative Workflow Engine™: Building Ema’s Brain.

Ema, a Universal AI Employee, uses its patented mixture of experts model to execute complex workflows across large enterprises. Through EmaFusion™ and Generative Workflow Engine™, Ema seamlessly handles end-to-end tasks, all using natural language instructions.

Want to learn more? Click here to hire Ema today