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MMLU benchmark: Testing LLMs multi-task capabilities

Updated: 1 day ago

The MMLU benchmark is an important LLM evaluation tool.


It tests LLMs’ ability to handle multi-task capabilities, making it a key metric for determining a model’s versatility.


Let’s deep-dive.



Best LLM for the MMLU benchmark

Comparing the main frontier models on the MMLU benchmark.

LLM performance based on MMLU score

Last updated: December, 2024

Company

Model

Score

Source

OpenAI

GPT-4o

88.7%

Anthropic

Claude3 Opus

86.8%

Google

Gemini 2.0

76.4%

Meta

Llama 3.1 405B

88.6%

xAI

Grok-2

87.5%

The LLM MMLU benchmark results show that all major frontier models are achieving high scores, ranging from 76.4% (Gemini 2.0) to 88.7% (GPT-4o).


This highlights the intense competition and remarkable progress in LLMs’ multi-task capabilities.



What is the MMLU benchmark?

MMLU stands for massive multitask language understanding.


It was introduced by Hendrycks et al. (2021) as a comprehensive benchmark to evaluate how well LLMs perform across a diverse range of tasks.


The test includes 57 tasks spanning areas like:

  • Elementary math

  • US history

  • Computer science

  • Law

  • And more


The MMLU benchmark meaning goes beyond simple knowledge recall. It assesses how effectively an LLM uses its knowledge to solve real-world problems.


The final MMLU score represents the average of a model's performance across all tasks, providing a holistic view of its capabilities.



Other LLM benchmarks

At BRACAI, we keep track of how the main frontier models perform across multiple benchmarks.


If you have any questions about these benchmarks, or how to get started with AI in your business, feel free to reach out.


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