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!
Anthropic raised $30 billion in Series G funding at a $380 billion valuation—more than doubling from $183 billion—driven by $14 billion in run-rate revenue and rapid adoption of Claude Code, which now accounts for 4% of all GitHub commits worldwide.
German synthetic data startup simmetry.ai raised €330,000 from NBank to expand its platform that generates photorealistic, annotated synthetic data for training computer vision models in agriculture, food production, and industrial applications.
OpenAI disbanded its mission alignment team, which communicated the company's mission to employees and the public, and reassigned its leader Josh Achiam to a new "chief futurist" role. Achiam described the new role as involving "studying how the world will change in response to AI".
Benchmark Capital raised $225 million through two special vehicles to invest in AI chipmaker Cerebras Systems' $1 billion Series H. backing the company's massive wafer-scale chips that compete with Nvidia.
Reddit is positioning AI-powered search as its next major growth opportunity. The company saw its Reddit Answers feature surging from 1 million to 15 million weekly users in 2025. Although Reddit's AI search is not yet monetized, the company called it "an enormous market and opportunity".
Comments