←Back to NewsAI News/Training InfrapaperTraining InfraLlmsSynthetic Warm-Up Saves 21B Training Tokens by Boosting Long-Range RetrievalThe largest study of synthetic pre-pretraining shows it saves 21B+ tokens at 3B scale, but the grammatical prior story falls apart.SourceAlphaSignalPublishedSep 30, 2026, 2:27 PMAuthorAlphaSignal NewsroomRead1 min readThe largest study of synthetic pre-pretraining shows it saves 21B+ tokens at 3B scale, but the grammatical prior story falls apart.Reporting is indexed from AlphaSignal. Rights remain with the original publisher and cited sources.Read original report ↗Next readsAlphaSignal · paperID Balancing Cuts Routing Overload by 89% in 70B Sparse AI ModelsAlphaSignal · paperStanford's SOMA Slashes AI Training Noise by Sharding Models Into Expert ShardsAlphaSignal · paperResearchers Train AI on Zero Human Data Using Self-Play Programs