←Back to NewsAI News/Training InfranewsTraining InfraOpen SourceAi2 Rebuilds OLMo-Core 3 to Train Trillion-Parameter AI 2.7x FasterAi2 open-sources Olmo-core 3, a redesigned MoE training stack that hits 2.7x throughput and scales past a trillion parameters.SourceAi2PublishedOct 1, 2026, 3:20 PMAuthorAlphaSignal NewsroomRead1 min readAi2 open-sources Olmo-core 3, a redesigned MoE training stack that hits 2.7x throughput and scales past a trillion parameters.Reporting is indexed from AlphaSignal. Rights remain with the original publisher and cited sources.Read original report ↗Next readsAlphaSignal · repoWhite Circle's Halo Open-Source Framework Trains 20B Models 2.8x FasterAlphaSignal · paperTsinghua's Puro-2B Trains a Language Model for Less Than One GPU RentalAlphaSignal · repoStanford's Marin Trains a 535B Open Model Anyone Can Watch Live