The Allen Institute for AI (Ai2) said on October 2, 2026 that it is open-sourcing AstaBrief 8B, a model that turns a research question and retrieved literature excerpts into a cited report, releasing the model weights and training data as the system goes live as Fast mode in Asta, its agentic platform for scientific work. Fast Mode in Asta’s Report Generation AstaBrief is available in Asta’s Generate a report feature as Fast mode, running alongside the existing Claude-powered Thinking mode…