OpenAI Agents API Public Beta: Managed Sandboxes vs Self-Hosted Agent Runtimes
OpenAI Agents API entered public beta with sandboxes near $0.03 per 20 minutes. Managed agent runtimes vs self-hosted sandboxes on cost and control.
Meta Muse and Muse Code: Personal Agent Architecture and Pricing Explained
Meta Muse is a 24/7 personal agent and Muse Code a coding tier. What is confirmed on tiers and quota, plus engineering trade-offs of always-on agents.
Grok 4.7 Explained: xAI Architecture, CursorBench Results and Pricing
Grok 4.7 from xAI explained: what is disclosed on architecture, the CursorBench 46 percent result, API pricing near $2 per million tokens, and how it compares.
Tencent Hy4 Explained: 770B MoE, Sherry Quantization and Open Weights
Tencent Hy4 preview explained: 770B total and 49B active MoE, Apache 2.0, Sherry quantization to about 214GB, and what it takes to run it locally.
DeepSeek V4.1 Flash Explained: MoE Architecture, KV Cache, Benchmarks
DeepSeek V4.1 Flash explained: 552B MoE with small active parameters, MIT license, KV-cache savings, benchmarks, and how to self-host or call it by API.
GPU Memory Physics: DRAM vs SRAM, Kernel Fusion and FlashAttention (Series Part 3)
GPU memory physics: DRAM vs SRAM latency and bandwidth, tiling, kernel fusion, and why FlashAttention made LLM inference faster. Series finale.
GPU Kernel Engineering: Why C = A + B Is Not Enough (Series Part 2)
GPU kernel engineering explained: thread indexing, launch configuration, coalescing, divergence, and why a naive C = A + B kernel starves on memory.
GPU Parallelism Explained: SM, Block, Warp and Thread Hierarchy (Series Part 1)
GPU parallelism from first principles: CPU vs GPU, the chip-SM-block-warp-thread hierarchy, and how an iPhone 120 FPS camera pipeline maps onto it.
The Memory Wall in 2026: Optical Interconnect, LPDDR6 and Physical AI
Micron is sampling LPDDR6 for physical AI; Volantis raised $88M for optical memory links. Why bandwidth bounds AI and where the architecture goes.
Bitget $387.5M Breach: Third-Party Zero-Day and Exchange Security Architecture
Bitget lost $387.5M via a third-party vendor zero-day. Reported facts, custody and hot-wallet lessons, and vendor-risk controls for crypto platforms.