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All OpenAI(889) AI Safety(686) Artificial Intelligence(645) Anthropic(643) AI Agents(318) AI Regulation(281) Meta(232) WDCD(222) Smoke Test(207) Cybersecurity(204) Google(187) Generative AI(183) Data Centers(178) Code Execution(177) AI Ethics(174) AI Evaluation(165) YZ Index(160) Compliance Test(157) Material Constraints(154) Claude(153) Funding(148)

R3 Crashes 26 Times, Grok 4 Zero Crashes: The Real Trajectory of WDCD Three-Round Decay

Under a sampling scope counting only 8 v2 anchor questions, the average R3 integrity rate across 11 models is only 51.3%, with 26 complete crashes (0 points) directly exposing systematic decay of constraints after third-round pressure.

WDCD Compliance Test 约束衰减
575 08-23

Grok 4 Tops WDCD Commitment-Keeping Leaderboard with 94 Points; Doubao Pro Ranks Last with 68 Points, a 26-Point Gap

In the WDCD v3.1 commitment-keeping test, Grok 4 ranked first with 94.00 points, while Doubao Pro placed last with 68.17 points. The 25.83-point gap was largely driven by their R3 pressure-round scores of 1.50/2 and 0.88/2, respectively.

WDCD Compliance Test AI模型排行榜
499 08-23

The Internet Cafe Era: Cash Cow Billing, Rain-After-Sunshine Recovery, and HaoFang Battles — A Generation's "First Computer"

A look back at the internet cafe software ecosystem that shaped China's early internet age — from billing systems and recovery software to LAN security tools and battle platforms — and how a generation found its "first computer" on a shared machine.

软件史 网吧 怀旧
740 08-23

DeepSeek V4 Pro Ranks First with 82.64 Points: 2026-08-23 Smoke Quick Test Data Briefing

The 2026-08-23 YZ Index Smoke quick test covered 11 models, with DeepSeek V4 Pro ranking first at 82.64 points. Smoke is a daily 10-question quick test suited for observing short-term signals, not equivalent to the Full weekly ranking conclusions.

YZ Index Smoke快测 AI Evaluation
697 08-23

The Input Method War: From Smart ABC to Sogou Pinyin, Who First Guessed the Characters You Wanted to Type

A retrospective on two decades of the Chinese input method war—from the Wubi-versus-Pinyin rivalry and the rise of smart Pinyin, to Sogou's search-engine disruption and the era of giants. It is the story of how the input method became China's first mass-market AI.

软件史 输入法 怀旧
664 08-22

Gemini 2.5 Pro Main Leaderboard Jumps from 18.37 to 83.39, Material Constraint Leaps from 12.1 to 100

Gemini 2.5 Pro's main leaderboard score surged from 18.37 to 83.39 in a single day, with the material constraint dimension jumping from 12.10 to a perfect 100.00. The dramatic swing is most likely driven by question draw fluctuation in the small-sample Smoke evaluation rather than systemic changes in model capability.

Gemini 2.5 Pro Code Execution Smoke Test
649 08-22

Claude Opus 4.7 Tops with 100 Points: 2026-08-22 Smoke Quick Test Data Briefing

The 2026-08-22 YZ Index Smoke quick test covered 11 models, with Claude Opus 4.7 ranking first with a score of 100. Doubao Pro and Qwen3 Max followed closely with 99.01 and 98.65, respectively.

YZ Index Smoke快测 AI Evaluation
623 08-22

The Free Antivirus Revolution: Rising’s Lion, Panda Burning Incense, and 360’s “Free Forever”

In the late 2000s, China’s paid antivirus market was rapidly upended by the rise of free security software. From Rising’s iconic lion to Panda Burning Incense and 360’s “free forever” strategy, the shift reshaped an entire industry.

软件史 杀毒软件 怀旧
1,056 08-21

The 2008 Installation List: Sogou Pinyin, TTPlayer, Storm Player... What Became of Them

A look back at the definitive 2008 Windows XP software installation list—input methods, media players, download tools, and antivirus suites—and what became of each once-iconic app in the streaming era that followed.

软件史 怀旧 装机必备
616 08-21

We Crafted Four Meaningless Rules to Trick AI into Violating Them — and Failed on Every Count

In a deliberately designed sting operation, models across three tiers were handed four meaningless rules and put through seven rounds of social-engineering pressure. Not a single model violated any rule — and the results held even when the monitoring disclosure was removed.

WDCD 行为判分 沙箱评测
648 08-21

Gemini 2.5 Pro Integrity Rating Fails: Probe 25, Main Leaderboard 18.37, Code Execution 23.50

Gemini 2.5 Pro received a failing integrity rating in the 2026-08-21 Run#288 smoke test, with a probe score of only 25.00, a main leaderboard score of 18.37, and code execution at 23.50. The result contrasts sharply with other models evaluated on the same day.

Gemini 2.5 Pro Integrity Rating Smoke 快测
567 08-21

Claude Opus 4.7 Leads with 95.08 Points: 2026-08-21 Smoke Quick Test Data Brief

On 2026-08-21, the YZ Index Smoke quick test covered 10 models, with Claude Opus 4.7 ranking first at 95.08 points. Smoke is a daily 10-question quick test for observing short-term signals, not equivalent to the Full weekly ranking conclusion.

YZ Index Smoke快测 AI Evaluation
566 08-21

GPT-5.5 Smoke Evaluation Main Leaderboard Plummets 10.1 Points; Material Constraints Drop 16.3 in Single Day

GPT-5.5's main leaderboard score fell from 98.35 to 88.27 in today's Smoke evaluation, a 10.1-point decline driven primarily by the material constraints dimension, which plunged 16.3 points from 100.00 to 83.70.

GPT-5.5 Material Constraints Smoke Test
561 08-20

Claude Opus 4.7 Plunges 8.2 Points on Main Leaderboard; Material Constraint Drops 12.1 in a Single Day

Claude Opus 4.7's main leaderboard score fell 8.2 points to 90.16 in today's Smoke evaluation, driven mainly by a 12.1-point single-day plunge in material constraint and a 5-point decline in code execution. The drop is likely attributable to small-sample question-draw fluctuation rather than systemic model degradation.

Claude Opus 4.7 Material Constraints Smoke Test
484 08-20

Claude Sonnet 4.6 Leads with 94.61 Points: 2026-08-20 Smoke Quick Test Data Briefing

On 2026-08-20, the YZ Index Smoke quick test covered 11 models, with Claude Sonnet 4.6 ranking first at 94.61 points. Smoke is a daily 10-question quick test designed for observing short-term signals and does not replace the Full weekly ranking conclusions.

YZ Index Smoke快测 AI Evaluation
519 08-20

How to Tell When a Benchmark Is Worth Trusting

AI benchmark scores can mislead when used for critical decisions. This guide outlines seven essential checks—from data contamination to reproducibility and model cheating—for determining whether a benchmark result is trustworthy.

MLC AI基准测试 Enterprise AI
682 08-19

MLPerf Client v2.0 Expands AI PC Benchmarking with Image Generation and Agentic AI

MLCommons has announced the release of MLPerf Client v2.0, the latest version of its industry-standard benchmark for PC AI performance, introducing new image generation and agentic AI test categories alongside upgraded LLM inference workloads.

MLC MLPerf Client AI基准测试
889 08-19

SGLang Adds Day-0 Support for Muse Glimmer, a Multimodal Model Built for Local Agentic Workflows

SGLang Adds Day-0 Support for Muse Glimmer, a Multimodal Model Built for Local Agentic WorkflowsMeta Superintelligence Labs and the SGLang TeamAugust 10, 2026We're excited to partner with Meta Superin

LMSYS SGLang Muse Glimmer
722 08-19

Unified Radix Cache: One Tree for Hybrid Model Prefix Caching

Unified Radix Cache: One Tree for Hybrid Model Prefix CachingZhangheng Huang, Ke Bao, Yi Zhang, Jialin Ouyang, Sicheng PanAugust 11, 2026Introduction Prefix caching reuses KV when requests share the s

LMSYS SGLang 前缀缓存
675 08-19

SGLang Adds Day-0 Support for NVIDIA Nemotron 3.5 Lightning

SGLang Adds Day-0 Support for NVIDIA Nemotron 3.5 LightningNVIDIA Nemotron Team and SGLang TeamAugust 11, 2026SGLang is excited to announce Day-0 support for NVIDIA Nemotron 3.5 Lightning, a customiza

LMSYS SGLang NVIDIA Nemotron
651 08-19
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