# Measuring benchmark optimization in speech recognition

DevFeed: [Measuring benchmark optimization in speech recognition](<https://devfeed.tech/articles/measuring-benchmark-optimization-in-speech-recognition-7104.md>)

Original publisher: [Read original article](<https://huggingface.co/blog/asr-benchmark-optimization>)

Author: Theo Lebryk; Eric Bezzam; Alice; David Ayllon; Jakub Piotr Cłapa; Jens Madsen; Panagiotis Tzirakis

Published: 2026-08-21T00:00:00Z

Content type: article

Language: en

Sources: [Hugging Face - Blog](<https://devfeed.tech/sources/hugging-face-blog.md>)

Topics: [asr](<https://devfeed.tech/topics/asr.md>), [Benchmark](<https://devfeed.tech/topics/benchmark.md>), [benchmark overfitting machine learning](<https://devfeed.tech/topics/benchmark-overfitting-machine-learning.md>), [Machine learning](<https://devfeed.tech/topics/machine-learning.md>), [datasets](<https://devfeed.tech/topics/datasets.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>)

Tags: [asr](<https://devfeed.tech/tags/asr.md>), [audio](<https://devfeed.tech/tags/audio.md>), [benchmark](<https://devfeed.tech/tags/benchmark.md>), [datasets](<https://devfeed.tech/tags/datasets.md>), [errors](<https://devfeed.tech/tags/errors.md>), [measurement](<https://devfeed.tech/tags/measurement.md>), [model](<https://devfeed.tech/tags/model.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [research](<https://devfeed.tech/tags/research.md>), [speech](<https://devfeed.tech/tags/speech.md>), [transcription](<https://devfeed.tech/tags/transcription.md>)

## AI overview

The article examines benchmark optimization, or "benchmaxxing," in speech recognition. It presents three tests and evaluates 11 open-source ASR models, finding that some reproduced benchmark transcripts even when the audio contradicted them. The research also uses model ensembles and human annotations to identify and validate likely benchmark errors.

## Source excerpt

We're on a journey to advance and democratize artificial intelligence through open source and open science.