A measurement of how much speech-recognition progress is benchmark optimisation

A Hugging Face post dated 21 August 2026 sets out to measure benchmark optimisation in automatic speech recognition, separating genuine transcription gains from tuning aimed at the benchmark, so leaderboard movement can be read honestly.

What it means Anyone choosing a speech model off a leaderboard is choosing off a number that may have been optimised for, and this is the correction factor.