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Engineering at Meta

Engineering at Meta Blog

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GenRecs Tokenization: Transforming Ads Recommendation at Meta with Stable Model Vocabulary

Generative Recommenders (GenRecs) represent a paradigm shift from scoring every ad to reasoning about ad content and user preferences together in o...
Posted on 19 October 2026 | 4:00 pm

The Thin Orchestrator: How We Made Our AI Agents More Reliable by Giving the Router Less to Do

Sometimes, giving an AI agent all of the knowledge it needs is the wrong approach.  At Meta, we’ve seen notable improvements in efficiency and accu...
Posted on 19 October 2026 | 3:30 pm

Inside Prometheus: Meta’s Journey to a Gigawatt-Scale Supercluster

With the recent release of the Muse family of foundational models, we want to take you inside the infrastructure that has made it all possible. The...
Posted on 19 October 2026 | 1:00 pm

How Meta Built Forum With AI-Native Engineering

Meta’s newest app, Forum, is for anyone who wants to go deeper into the conversations in their Facebook groups. To build Forum, Meta engineers adop...
Posted on 15 October 2026 | 7:00 pm

2026 World Cup: Breaking Records, Spiky Charts and Reliability at Scale

Every four years, the World Cup becomes the largest planned stress test of our infrastructure. This year it also set an all-time record! There are ...
Posted on 15 October 2026 | 6:30 pm

Sapienz Receives ISSTA 2026 Impact Paper Award

Ke Mao, Mark Harman, and Yue Jia have been recognized with the ACM SIGSOFT International Symposium on Software Testing and Analysis (ISSTA) 2026 Mo...
Posted on 15 October 2026 | 4:00 pm

Meta’s Generative Ads Model (GEM): Scaling the Central Model and Compute Engine for Frontier Ads AI

Last year, we introduced GEM, the industry’s largest recommendation system (RecSys) foundation model. GEM established Meta’s first LLM-inspired par...
Posted on 13 October 2026 | 4:01 pm

OCP Summit 2026: Powering AI with Open Innovations in Scale-Up, Scale-Out, and Scale-Across Networks

At the 2026 Open Compute Project Global Summit, Meta is sharing the next generation of open networking infrastructure, including:  Our first liquid...
Posted on 12 October 2026 | 9:19 pm

Shipping Media Over QUIC at Meta Scale for Instagram Live Ingest

Meta has begun deploying Media over QUIC (MoQ), an emerging open protocol for real-time video streaming at scale. MoQ will help simplify our protoc...
Posted on 12 October 2026 | 4:01 pm