OpenBMB AI Releases: MiniCPM5-1B & MiniCPM-o 4.5

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ThursdAI — the weekly AI news podcast hosted by Alex Volkov — has covered 2 OpenBMB releases since Feb 2026, most recently MiniCPM5-1B on May 28, 2026. Highlights include MiniCPM5-1B, MiniCPM-o 4.5. All 2 shipped with open weights. Every entry below has primary-source links and the episode segment where we covered it live, plus key numbers where we have them.

2 releases2 open weights2 episodesFeb 2026 – May 2026

May 2026 1

OpenBMB
New ModelsOpen weights

MiniCPM5-1B

OpenBMB MiniCPM5-1B: new SOTA 1B open-weights model

OpenBMB released MiniCPM5-1B, a state-of-the-art 1B-parameter open-weights model for efficient local and on-device use that runs on a phone. It scores 17.9 on the Artificial Analysis Intelligence Index, 7.4 points ahead of its size class, while using roughly 31x fewer output tokens than Qwen3.5 2B.

17.9 AAII (1B model)

February 2026 1