evaluating-llms-harness

Standardize LLM benchmarking across 60+ validated evaluation tasks.

3|Updated Apr 21, 2026
One-click install
npx skills add https://github.com/DarkArty07/Aether-Agents --skill evaluating-llms-harness-darkarty07
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: evaluating-llms-harness
Source: https://github.com/DarkArty07/Aether-Agents/tree/main/home/skills/mlops/evaluation/lm-evaluation-harness
Command: npx skills add https://github.com/DarkArty07/Aether-Agents --skill evaluating-llms-harness-darkarty07

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill eliminates inconsistent, non-reproducible LLM benchmarking workflows that make model comparison unreliable, providing access to the industry-standard evaluation tool used by leading AI labs and researchers.

Core Features & Use Cases

  • Standardized Benchmarking: Evaluate LLMs across 60+ validated academic and industry tasks including MMLU, GSM8K, HumanEval, and TruthfulQA with uniform prompts and metrics.
  • Multi-Backend Support: Test open-weight HuggingFace models, accelerate evaluation with vLLM, or benchmark closed-source API models from OpenAI, Anthropic, and local compatible endpoints.
  • Use Case: ML teams can use this Skill to compare new model checkpoints against established baselines, track training progress across iterations, or generate reproducible results for academic publications.

Quick Start

Use the evaluating-llms-harness skill to run a 5-shot MMLU and GSM8K benchmark evaluation on your target LLM and export the results to a structured JSON file for analysis.

Frequently Asked Questions about evaluating-llms-harness

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I benchmark LLMs across standard academic tasks like MMLU and GSM8K?

To benchmark LLMs across standard academic tasks like MMLU and GSM8K, you can use a standardized evaluation harness to apply uniform prompts and metrics across 60+ validated academic and industry tasks.

Can I evaluate closed-source API models from OpenAI and Anthropic?

Yes, you can evaluate closed-source API models from OpenAI and Anthropic. The evaluation harness supports multi-backend integrations, allowing you to benchmark API-accessible LLMs alongside open-weight HuggingFace models.

What is the best way to track LLM training progress and compare model checkpoints?

The best way to track LLM training progress and compare model checkpoints is using a standardized benchmarking workflow that applies uniform evaluation tasks, ensuring reproducible results for reliable model comparison.

How do I run a 5-shot MMLU evaluation and export the results to JSON?

To run a 5-shot MMLU evaluation and export results to JSON, initiate the evaluation harness to execute the benchmark on your target LLM, which then outputs the structured results for analysis.

Does LLM benchmarking with this harness support vLLM accelerated inference?

Yes, LLM benchmarking with this harness supports vLLM accelerated inference. You can test open-weight HuggingFace models and utilize vLLM to accelerate the evaluation process.

Can I define custom evaluation tasks for domain-specific LLM benchmarking?

Yes, you can define custom evaluation tasks for domain-specific LLM benchmarking. The harness supports custom task definition to validate quality and evaluate models on specific domain needs.