relational foundation modelsKumoRFM vs XGBoost calls for a bake-off on your own data
KumoRFM's 14-point RelBench lead was over a LightGBM that saw only one table. Keep XGBoost in production, test KumoRFM against your own model, and get the NIM licence in writing first.
October 8, 2026 · 14 min readtabular foundation modelsMitra vs TabPFN vs XGBoost Puts Mitra-v2 Ahead of Tuned XGBoost
Mitra-v2 is Apache 2.0 and beats tuned XGBoost on TabArena, but caps context at 32,768 rows. TabPFN-3.5 scales to a million rows behind an unpublished commercial licence, and trees still win on large, temporal and CPU-bound work.
October 6, 2026 · 11 min readKumo TabularNVIDIA's Kumo Tabular Undercuts TabPFN's License Below 60,000 Rows
NVIDIA's Kumo Tabular ships under OpenMDW-1.1 for commercial use, while TabPFN-3.5's open weights stay non-commercial. Its #1 TabArena Elo is NVIDIA's own run, and it was pretrained only to 60,000 rows and 100 columns.
September 29, 2026 · 8 min read