In this video, Andrej Karpathy demonstrates how to build a Generatively Pretrained Transformer (GPT), following the paper "Attention is All You Need" and OpenAI's GPT-2 / GPT-3, and much more. Make sure that you watch at least parts of it!
Cursor announced it has acquired Graphite, a code review platform, for an undisclosed amount reportedly exceeding Graphite's $290M valuation. Graphite will continue to operate independently as both teams work on connecting their products and developing the best AI code reviewer in the market.
Ai2 released Molmo 2, an open-source multimodal model family with state-of-the-art video understanding capabilities including object tracking and temporal reasoning, trained on significantly less data than comparable models while outperforming proprietary systems like Gemini 3 on key benchmarks.
The Allen Institute for AI released OLMo 3.1 less than a month after OLMo 3's November launch, featuring two new 32B checkpoints with substantially improved reasoning and instruction-following capabilities achieved through extended reinforcement learning training.
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