Researcher Pre-Registers Predictions That New Tokenizer's BPB Gains May Be Illusory

Rylan Schaeffer has requested the model checkpoints and pre-registered predictions that the new tokenizer's claimed BPB improvements may be illusory, testing whether gains hold on downstream benchmarks before weights are released.

2026-10-29 ~ 2026-10-29 · 2 related posts

• Researcher pre-registers prediction that new tokenizer's BPB gains are misleading — RylanSchaeffer · 2026-10-29
• Researcher pre-registers predictions on tokenizer's effect before model release — RylanSchaeffer · 2026-10-29