Prior Labs ships TabPFN-3.5, SOTA tabular foundation model leading both TabArena and BeyondArena

tuanacelik · reddit · 2026-09-16

Prior Labs released TabPFN-3.5, topping both TabArena and BeyondArena and hitting SOTA at 1M rows and up to 20k features. It ships in three variants: Fast (alpha, 6x faster than base), Thinking (API-based compute-for-accuracy tradeoff, +20 Elo on BeyondArena and +44 on TabArena over base), and Plus. On BeyondArena it leads text-rich, high-cardinality, and high-dimensional data by 250+ Elo over the strongest prior baseline and 150+ Elo over the previous overall leader.

Related event: Prior Labs Releases TabPFN-3.5, Topping Table Benchmarks(3 posts)→

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