New benchmark uses formal grammar lens to probe GPT-5.5 Pro reasoning levels
An arXiv paper introduces a formal grammar-lens benchmark method to test whether test-time processing effort affects a language model's computational capability, applied to GPT-5.5 Pro.
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- 2026-11-03 05:00 · arXiv cs.CL
Distinguishing among reasoning levels of GPT 5.5 Pro via a grammar lens benchmark