Mistral releases 1T-parameter Mistral Large 4, nicknamed Le Chonk
Mistral released Mistral Large 4, a 1 trillion-parameter open-weight model nicknamed Le Chonk.
#Data/Training
Ars Technica · AIAI Score6666
Latent SpaceAI Score6868 Reflection launches Beam, a 501B-A23B open-weight MoE for coding and agentic work
Reflection announced Beam, a text-only 501B-total / 23B-active MoE for coding, agentic and scientific work.
Hugging Face BlogFeaturedAI Score6060 Ai2 open-sources AstaBrief 8B, a fast report-generation model for its Asta research platform
Ai2 open-sourced AstaBrief 8B, a model built on Qwen3-8B that turns a research question and retrieved literature excerpts into a cited report.
Why it matters: The post gives the training recipe and filtering lessons behind an open-weights scientific report model, useful for anyone building grounded generation.
Microsoft ResearchAI Score3636 GigaPath-Flash and GigaTIME-Flash: Toward population-scale discovery with efficient pathology foundation models
Microsoft Research released GigaPath-Flash and GigaTIME-Flash.