What OpenBMB actually released
A 2.52-billion-parameter open-source model just beat a rival roughly 60% larger than it on some of the toughest coding and agent benchmarks in the field. OpenBMB released MiniCPM5-2B on September 7, 2026, and by this week the numbers had spread through developer forums and model leaderboards: 46.4 on SWE-bench Verified against 33.6 for Alibaba’s Qwen3.5-4B,…