1.68x inference speedup drops, directly accelerating GRPO post-training

yacineMTB · x · 2026-10-18

Yacine MTB calls a new 1.68x speedup "pretty absurd", noting it directly accelerates GRPO-style RL post-training inference. He adds that these speedups are cumulative and are "dropping out of the sky" — inference-efficiency gains are landing fast and steadily compressing the cost of the post-training loop.

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