AI brief · 27 September 2026

Models

Xiaomi MiMo introduced MiMo-V2.6-Flash-MOPD, a multimodal sparse MoE model with 309B total parameters, 15B activated parameters and a 1M-token context length. It is an upgrade intended to mitigate repeated tool calls. ^[1] NaiveAI introduced Naive-N0.5-Flash, an open-weight 309B mixture-of-experts model with 15.5B active parameters and a native 1M-token context window, designed for coding and AI R&D. ^[2] InternLM introduced Intern-Decision-0.8B, which scores candidate answers across schema-defined questions in one pass and returns calibrated probabilities in typed JSON. NVIDIA introduced NV-Reason-CT for chest and abdominal CT analysis, including report generation and question answering. ^{[3] [4]}