LM Evaluation Harness

A framework for few-shot evaluation of language models.

LLM evals

Open LM Evaluation Harness in AirStack

What LM Evaluation Harness’s own pages say

What it says it doesA framework for few-shot evaluation of language models. github.com
IntegrationsvLLM, SGLang, ONNX Runtime GenAI, Windows ML github.com
LicenseMIT license github.com
Models supportedTextSynth, ChatGLM, Gemma, Granite, Llama, Phi, Qwen github.com
Customers (their claim)is used internally by dozens of organizations including NVIDIA, Cohere, BigScience, BigCode, Nous Research, and Mosaic ML. github.com

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.

LM Evaluation Harness alternatives