Weekly Roundup: Grok 4.5 and Video World Generation
dl_weekly · x · 2026-07-09
This weekly roundup highlights several AI developments, including an introduction to Grok 4.5, how Comet's internal optimizations drive cost intelligence, and a paper on AlayaWorld focusing on long-horizon, interactive video world generation.
Essentially a digest of multiple AI advancements covering model updates, engineering optimizations, and research papers, it is perfect for quickly catching up on the week's key highlights.
More from Models
- Moonshot’s Kimi K3 reaches #5 on MathArena as the top open model — xeophon · 2026-07-22
- Google launches Gemini 3.5 Flash Cyber for CodeMender, with limited access for governments — GoogleAI · 2026-07-22
- Kimi K3 tops Gemini 3.6 Flash on four shared public benchmarks — ChrisGPT · 2026-07-22
- Google’s year-long pause in new base-model pretraining draws sharp criticism — teortaxesTex · 2026-07-22
- Current setup is 8,192 input tokens and 2,048 output tokens, with 8k/512 next — TheZachMueller · 2026-07-22
- Kimi K3 feels slower than K2.7, but stronger on long coding jobs and refactoring — Far-Presence2711 · 2026-07-22