--- format: "aidr-story-markdown/v1" id: "01a5323d1c3ecca8cec0e8289fdb34742e9b30fd53379e807eb3cb0c981e695c" canonical_url: "https://aidr.today/01a5323d?lang=en" title: "Sapient's PRAXIST Beta Beats Claude Opus 4.8 on MLE-Bench in Open Source Launch" lang: "en" requested_lang: "en" available_langs: ["en","vi"] translation_fallback: null fallback_fields: [] published_at: "2026-08-28T08:42:19.000Z" category: "Models" topics: ["open-source","agent","research","coding"] source_urls: ["https://huggingnews.com/ai/sapients-praxist-beta-beats-claude-opus-48-on-mle-bench-in-open-source-l-059270bc"] summary: "Sapient Intelligence released PRAXIST Beta, an open-source autonomous R&D system that uses parallel \"Research Peers\" to explore competing approaches and share…" --- # Sapient's PRAXIST Beta Beats Claude Opus 4\.8 on MLE\-Bench in Open Source Launch > [Open the canonical story]() **Published:** 2026-08-28T08:42:19.000Z **Category:** Models **Topics:** open\-source, agent, research, coding ## Summary Sapient Intelligence released PRAXIST Beta, an open\-source autonomous R&D system that uses parallel "Research Peers" to explore competing approaches and share… ## Sources - [Story source]()