model release
Ai2 open-sources AstaBrief 8B, a Qwen3-8B report model it says runs 3.5x faster than Claude in Asta
Ai2 has open-sourced AstaBrief 8B, a model fine-tuned from Qwen3-8B that turns a research question and retrieved literature excerpts into a cited report. It is live in Asta as Fast mode, which averages 51.1 seconds per report versus 178.5 seconds for the Claude-powered Thinking mode, according to Ai2. The weights and training data are public.