OpenBMB open-sources MiniCPM5-2B, ranking #1 among sub-4B open models on Artificial Analysis

hey_abusiddik · x · 2026-09-08

OpenBMB released MiniCPM5-2B, a 2B-parameter open-source model targeting edge deployment. It ranks #1 among open-source models under 4B on the Artificial Analysis Intelligence Index (score 23), scores 20 on the Agentic Index, and averages 53.9 across 34 benchmarks spanning coding, math, long context, tool use, and agentic tasks.

Beyond weights, the team also open-sourced the training data, recipes, and RL stack behind the model.

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