2 articles

RL

Index of editorial tags and filtered coverage.

Sep 17, 2026NVIDIA

NVIDIA open-sources FlashREINFORCE: agentic RL that beats GRPO with half the rollouts

Around September 13–14, 2026, NVIDIA released FlashREINFORCE (Apache 2.0, Molt integration): agentic RL that, per TechTimes, beats GRPO with half the rollouts, posting 38.0 vs 36.3 on Qwen2.5-Math-1.5B.

Sep 12, 2026xAI

xAI delays Grok 4.7: Musk says “a few more days” after RL setbacks

On September 2, 2026, Elon Musk estimated Grok 4.7 in about 10 days (~September 12). On September 11 he announced a delay (“a few more days”): RL may have penalized response length too aggressively and the model shows weak self-checking. Grok 4.6 remains current; no new fixed date. Source: datastudios.org.