CellType claims 27B biology model beats all 12 frontier models at predicting cell behavior

alifcoder · x · 2026-11-05

CellType released BioSimBench (built on NVIDIA), testing frontier models on real lab experiments: predicting how cells respond to drugs, gene knockdowns, and immune signals. Even the best models only get part of the response right.

Per the relay, CellType's 27B model trained on measured lab biology beats all 12 frontier models tested, and leads on six benchmarks from outside labs — margins range from nearly 2x on drug response to 0.121 vs 0.119 on one test.

Other labs will want to verify; if it holds up, it marks a milestone for AI that predicts biology instead of describing it.

Related event: CellType Releases BioSimBench: 27B RL Model Beats Frontier LLMs at Cell Simulation(6 posts)→

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