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31 technical news articles

Solar Open 2 Supports a Million-Token Context with Hybrid Linear Attention, Activating Just 15B of Its 250B MoE Parameters per Token

South Korea’s Upstage has released Solar Open 2 for long-horizon agents, combining a 250-billion-parameter MoE, hybrid attention, and a 1-million-token context window in a single model. The company says the quantized model can be deployed on two NVIDIA H200 GPUs, though current evidence for its performance and long-context stability comes primarily from the team’s own testing.

2026-07-23

開源與 AI 開發工具

Linus Torvalds Draws a Line on AI in the Linux Kernel: No Ban, and No Letting Anti-AI Positions Hijack the Project

In a discussion about integrating Sashiko with Patchwork, Linus Torvalds made it clear that the Linux kernel is not an anti-AI project; opponents are free to fork it under open-source rules or leave. This is not blanket approval of AI-generated output, but an application of existing technical evaluation standards to AI tools: the results must be useful, while human maintainers and contributors remain accountable.

2026-07-23

代理工具與實驗基礎設施

AIBTest Launches MCP-Native A/B Testing Workflow, Enabling Agents to Verify Domains, Deploy SDKs, and Read Results

AIBTest breaks website A/B testing into four stages—domain verification, short-lived credentials, browser-side traffic allocation, and MCP reporting—with the goal of enabling AI agents not only to suggest experiments but also to operate them under constrained permissions. The first version emphasizes a credential-safe design and a narrowly scoped surface for DOM changes, but its reporting still focuses on descriptive metrics and does not claim statistical significance.

2026-07-23

代理基礎設施

Anthropic Memory Store API Changes Pagination and Path Semantics, Potentially Invalidating Old Cursors and Query Parameters

New rules for Claude Managed Agents memory listing took effect on July 22, including stable ordering, directory-style prefix matching, and restricted query depth. This is more than an SDK header change: existing synchronization programs may encounter 400 errors, missing items, or invalid cursors.

2026-07-23

AI 科學與高效能運算

U.S. Department of Energy Launches 278 AI Science Workflow Projects Linking Agent Frameworks, Models, and National Laboratory HPC

The first group of Genesis Mission projects spans nuclear energy, critical minerals, chip design, and commercial fusion. Research teams will share models, agent frameworks, and high-performance computing resources. OpenAI has separately committed Codex access and API credits to support about 2,000 researchers and two large-scale scientific experiments.

2026-07-23

訓練系統

SLAI T-Rex Achieves 34.22% MFU in Full-Parameter Post-Training of a Trillion-Scale MoE on Ascend SuperPOD

The research team redesigned parallelization strategies, communication scheduling, kernels, and operator fusion for the DeepSeek-V4 family, bringing Ascend training efficiency to 2.93× the open-source baseline. The system was also used to train an operations research model on solver-verified data, though more complete public reproduction of the code, data, and hardware measurements is still needed.

2026-07-23

端側推論

BaseRT Directly Drives M5 Neural Accelerators via Metal 4, Achieving Up to 6.4× Faster Prompt Processing Than llama.cpp

BaseRT has added hand-written dense and MoE GEMM and FlashAttention kernels, offloading matrix operations during the prompt-processing stage to the neural accelerators inside the M5 GPU. The team reports substantial leads over llama.cpp and MLX on the M5 Pro, although the figures currently come solely from the developers’ own single-machine tests.

2026-07-23

程式代理／推論最佳化

SWE-Pruner Pro Reads Coding Models’ Hidden States Directly, Cutting Agent Tokens by Up to 39%

SWE-Pruner Pro replaces a separate classifier with a lightweight prediction head that uses a coding agent’s internal representations to decide whether to retain each line of tool output. Tests with two open MoE models across four multi-turn benchmarks showed token savings, but the method requires inference-server modifications, and some quality gains have yet to be reproduced.

2026-07-23

具身 AI／機器人

RynnBrain 1.1 Adds Contact Points and Native 3D Grounding to an Embodied Foundation Model, Trains VLA Across Three Robots

Alibaba’s DAMO Academy has released three RynnBrain 1.1 models—2B, 9B, and 122B-A10B—adding contact-point prediction and native 3D grounding. The accompanying RynnBrain-VLA is trained across Unitree G1, Astribot-S1, and Tianji Wuji using a unified action space, although evidence for cross-hardware generalization still comes primarily from the team’s own experiments.

2026-07-23

開發者工具

GitHub Redesigns Copilot Impact Dashboard Around Adoption Stages, but Output Still Does Not Equal Engineering Quality

GitHub has added a Copilot impact dashboard that compares merge speed and output across code-first, agent-first, and multi-agent adoption stages. The new interface helps enterprises assess depth of adoption, but still lacks quality signals such as defects, rework, and long-term maintenance costs.

2026-07-23

AI 基礎設施

Anthropic to Expand Compute Capacity by 2 GW With AMD Helios and Use Claude to Optimize ROCm

Anthropic plans to deploy its first AMD Instinct MI450-series GPUs starting in the first half of 2027, with a total capacity of up to 2 GW. The partnership goes beyond hardware procurement: the companies will also use Claude to optimize GPU workloads and the ROCm software stack.

2026-07-23

開放權重模型

Thinking Machines Releases Inkling: 975B MoE Open-Weight Model Supports One Million Tokens and Native Multimodality

Inkling enters the open-weight market with a Mixture-of-Experts architecture featuring 975 billion total parameters and 41 billion active parameters. The model also offers adjustable reasoning effort, a one-million-token context window, and a path to fine-tuning on Tinker.

2026-07-23