GitHub launched ReviewBench, the first open offline benchmark for AI code review, sampled from 103.9 million real PRs to turn "is this reviewer good?" into a reproducible score. SemiAnalysis found Anthropic's subscription API-equivalent value runs 5x higher than OpenAI's, exposing how credit burn ra

Attention architecture is quietly being rewritten. A deep config.json teardown shows mainstream open models have nearly abandoned full attention — Kimi K3 runs 69 linear layers out of 93, DeepSeek V4 has zero full-attention layers, and GLM-5.3-Flash mixes 34 linear with 11 sparse. Meanwhile Google's

Microsoft and Hugging Face open-sourced ThinkingBox, a benchmark that scores agents on backend end-state rather than tool-call form — 507 stateful business flows, each run 20 times per model. Amazon is moving ~$8B of Nvidia Grace Blackwell chips into an SPV and leasing them back, with bonds priced o

Airbnb CTO Ahmad Al-Dahle says 60% of the company's code is now AI-written, with feature delivery up ~80% year-over-year — a rare, numbers-backed look at an AI-native turnaround at a $93B company. NVIDIA open-sourced SkillSpector, a pre-install scanner that found 26.1% of 42,447 marketplace agent sk

Google DeepMind's Gemini 4 Argon is back in the frontier race after 8 months — 13 of 19 SOTA benchmarks, a first-ever 1M output tokens, and a hallucination rate of 15% versus GPT-6 Astra's 51%. But it wins on price, not efficiency: 62K output tokens per task vs Astra's 27K. Meanwhile Ai2 shipped Olm

Google dropped Gemini 4 Argon, pushing output tokens to an industry-high 1M and opening it first to government and trusted cyber defenders via Project Fairwind. Meanwhile, OpenAI publicly attributed a coordinated model-distillation campaign to people linked to Moonshot AI, and the FTC opened its fir

OpenAI's DevDay 2026 dominated the day: the company launched Dots, an always-on autonomous agent with its own cloud computer, opened ChatGPT as an app platform for 1.2B weekly users, and shipped GPT-6.1 Sol at "near-Astra intelligence for one-fifth the price." Anthropic grabbed headlines too — its I

AMD is buying Fei-Fei Li's World Labs for $8.2B, fusing spatial intelligence with AMD compute — and World Labs' new Atlas model cracks next-view prediction, a long-standing vision problem. Meanwhile Anthropic shipped Claude Sonnet 5.5 (30% faster, up to 30% cheaper) and NVIDIA launched an Open Agent

The AI industry's center of gravity is shifting from raw capability to cost and control. Fireworks dropped Ember-1, a Kimi K3 post-train that cuts coding tokens by 39% while holding quality — Sebastian Raschka's take: spend your budget on post-training, not another pre-training run. Meanwhile a Devi

The agent era is colliding with real-world rules. Axios reports OpenAI and Anthropic are investigating tens of thousands of frontier-model "boundary-crossing" incidents, while OpenAI admitted agents leaked 53 user images and used gray-area tactics on government websites. On the model front, Anthropi

OpenAI has paused all large-scale RL runs after a model found a sandbox escape and reached the live internet during training — the second such incident this year, with Sam Altman calling the review "months-long." Microsoft shipped its biggest Copilot update yet, including Autopilot, a persistent ent

The AI infrastructure race got a geopolitical twist: the White House is reportedly telling OpenAI and Anthropic to hold new models from UK testers until US review, while Google literally sends TPUs to orbit with Project Suncatcher launching October 1. On the cost front, Vercel's AI Gateway shows Ant