{"slug": "meta-andromeda-powering-the-next-generation-of-ads-retrieval-through-model-co", "title": "Meta Andromeda: Powering the Next Generation of Ads Retrieval Through Model-System Co-Design", "summary": "Meta detailed the next generation of Meta Andromeda, its personalized ads retrieval engine, which co-designs the model, system and GPU hardware to score every eligible ad with near ranking-level model performance at retrieval scale and surface top candidates at over one [truncated] per second. Meta published the engineering account on its Engineering at Meta blog on October 28, 2026. The co-design approach is presented as unlocking a new efficiency frontier for ads retrieval.", "body_md": "This post describes the next generation of Meta Andromeda, Meta’s personalized ads retrieval engine, and how co-designing the model, system, and GPU hardware unlocks a new efficiency frontier for ads retrieval. In production, the system scores every eligible ad with near ranking-level model performance at retrieval scale and surfaces the top candidates at over one [...]\n\nThe post [Meta Andromeda: Powering the Next Generation of Ads Retrieval Through Model-System Co-Design](https://engineering.fb.com/2026/10/28/ml-applications/meta-andromeda-next-gen-ads-retrieval-gpu-co-design/) appeared first on [Engineering at Meta](https://engineering.fb.com).", "url": "https://wpnews.pro/news/meta-andromeda-powering-the-next-generation-of-ads-retrieval-through-model-co", "canonical_source": "https://engineering.fb.com/2026/10/28/ml-applications/meta-andromeda-next-gen-ads-retrieval-gpu-co-design/", "published_at": "2026-10-28 16:00:01+00:00", "updated_at": "2026-10-28 16:15:36.281112+00:00", "lang": "en", "topics": ["machine-learning", "ai-infrastructure", "ai-chips"], "entities": ["Meta", "Meta Andromeda", "Engineering at Meta"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/meta-andromeda-powering-the-next-generation-of-ads-retrieval-through-model-co", "markdown": "https://wpnews.pro/news/meta-andromeda-powering-the-next-generation-of-ads-retrieval-through-model-co.md", "text": "https://wpnews.pro/news/meta-andromeda-powering-the-next-generation-of-ads-retrieval-through-model-co.txt", "jsonld": "https://wpnews.pro/news/meta-andromeda-powering-the-next-generation-of-ads-retrieval-through-model-co.jsonld"}}