最新模型

新模型、開放權重、多模態、語音、影像與模型架構。

Anthropic Merges Claude Chat and Cowork, Enabling Automatic Selection of Agent Tools and Execution Environments Within a Single Conversation

Claude can now answer questions or launch long-running agentic tasks within the same conversation, while bringing documents, slides, and design tools into a shared context. With mode selection removed, tool routing and permission prompts become the new security boundary, while access to local files and computer use still depend on the desktop app.

2026-09-17

最新模型

Firefox Smart Window Integrates Mistral Small 4, Letting the Browser Process Tab Context with Switchable Models

Mozilla has added Mistral Small 4 to the Smart Window beta in the United States and Canada, expanded the French-language version to France, and retained other model options. The 119B-parameter MoE model offers a long context window and reasoning modes, but zero data retention does not mean local inference, and the boundaries governing the transmission of tab content still require real-world testing.

2026-09-17

AI 基礎設施與網路標準

Cloudflare Separates Search, Training, and Agent Crawler Controls, but Bing’s Training Opt-Out Signal Is Not Yet Automatic

Cloudflare has introduced “Disallow AI Training,” combining `robots.txt` preferences with network-layer classification so websites can remain indexed by search engines while opting out of model training. Existing settings will be migrated automatically, but support varies across Applebot, Googlebot, and Bingbot—and selecting Block by mistake could still directly sacrifice search visibility.

2026-09-17

AI 安全

Google Uses Three-Layer Trace Analysis to Audit Agent Behavior, but Anomaly Detection Happens After Tool Execution

Gemini Enterprise Agent Platform’s Agent Anomaly Detection asynchronously analyzes OpenTelemetry traces, tool parameters, and execution flows, then uses lightweight models and LLMs to identify anomalies. The private preview adds no latency to real-time requests, but the tradeoff is that it primarily provides post-event detection and requires storing raw telemetry containing prompt and response content.

2026-09-17

代理工具

GitHub Uses Agents to Rewrite the Copilot Runtime as 830,000 Lines of Rust, Eliminating Per-Client Node.js Overhead

Copilot’s shared agent runtime has migrated from TypeScript/Node.js to native Rust and can be embedded directly into SDKs for six languages through a C ABI. GitHub’s stress tests showed session throughput rising to 120 per second, though the figures come from internal tests that excluded model and network latency.

2026-09-17

最新模型

LimiX-2 Uses Joint Mechanism Modeling for Tabular Data, With a Single 400M-Parameter Model Spanning Three Task Types

Rather than estimating only conditional labels, LimiX-2 learns the joint structure of features and targets from synthetic causal data. The team has released the weights and inference code, but the model is restricted to non-commercial use, and its leading results come primarily from tabular benchmarks run by the authors.

2026-09-17

代理工具

Audit of 254 Submissions Shows Top SWE-bench Verified Rankings Are No Longer Statistically Distinguishable

A new study analyzing per-instance results across four SWE-bench splits found that none of the 29 adjacent pairs among the top 30 Verified systems passed a paired significance test. Interactions between models and agent scaffolds can also exceed the gap between leaderboard leaders, so engineering procurement decisions should no longer treat decimal-point differences as stable rankings.

2026-09-17

AI 基礎設施

FlashVector Expands Performance Agents From GPU Kernels to the Entire Recommendation Model Serving Stack

Unity’s team introduced FlashVector, an agent that searches for performance bottlenecks across GPU kernels, computation graphs, Triton servers, and feature services. Production tests showed throughput gains of up to 2×, but the code, modification traces, and complete cost data have not been released.

2026-09-17

代理工具

Dream-RSI Turns Agent Search Histories Into a Replay Simulator to Rewrite Exploration Strategies Offline

Research teams including Google enable a fixed coding agent to repeatedly rewrite its search schedule instead of updating model weights. Tests across eight algorithmic, mathematical, and GPU kernel tasks show that it can reduce exploration costs, although replay can evaluate only branches already traversed in the recorded history.

2026-09-16

推論系統

JustFit Compresses and Dynamically Schedules KV State, Enabling a 24 GiB MacBook to Complete a 210K-Token Workload

By combining 4-bit KV, component residency management, and cross-request state transitions in MLX, JustFit enables a 27B model to perform long-context inference within 24 GiB of unified memory. The reported 6.93× capacity increase comes from a single-machine, model-specific test, and some historical environment details and checkpoint identities cannot yet be fully reproduced.

2026-09-16

代理工具

ScienceBuddy Alternately Rewrites the Agent Harness and Model, Turning Research Interactions into Ongoing Training Material

ScienceBuddy converts researchers’ requests, feedback, and execution logs into tasks and scoring rules, then alternately optimizes the agent code and model. The team has released a simplified experimental framework, but the full code for the hosted workspace and evidence of long-term self-improvement remain unpublished.

2026-09-16

最新模型

ModAR 先預測軌跡、語意與深度再決定動作，降低世界—行動模型對 RGB 的依賴

CMU 的 ModAR 以共享擴散 Transformer 依序去噪多種未來表徵，再生成機器人動作。小規模實驗顯示，結構化表徵比額外預測 RGB 更有用，但程式碼尚未公開，真實世界證據也只有三項雙臂任務。

2026-09-16