Y Combinator has open-sourced QM, the multiplayer agent harness used internally across accounting, legal, events, and engineering operations (MarkTechPost). Released July 31, 2026 under MIT license, QM provides each employee an isolated workspace and each Slack room its own scoped memory, files, keychain view, and permission controls. The release represents a production-grade agent orchestration system with practical constraints for multi-tenant deployment.
MiniMax released open weights for its H3 video generation model, marking the first time an open-weight model has topped a video ranking (The Decoder). Separately, Cogent AI released VR-1, a reasoning model post-trained specifically for cybersecurity threat modeling and enterprise attack path composition, alongside IntrusionBench, a benchmark that scores agents on completed intrusions (MarkTechPost).