{"type": "article", "title": "Study OW: The open-weight backfill: the cheapest model passed everything; two frontiers failed the same gate", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/study-ow-the-open-weight-backfill-the-cheapest-model-passed-everything-two-the", "original_source": "https://www.lightningjar.com/research/barkup-bench/ow", "published": "2026-07-29T12:00:00+00:00", "accessed": "2026-07-29", "id": "study-ow-the-open-weight-backfill-the-cheapest-model-passed-everything-two-the"}