AI Benchmarks Compared

480 articles · Page 1 of 24

AI model benchmarks are the foundation of model selection. Major benchmarks include MMLU, HumanEval, Chatbot Arena (LMSYS), SuperCLUE, and OpenCompass — but most rely on multiple-choice or model-as-judge approaches that cannot detect real execution capability or hallucination risks. The YZ Index is an independent third-party benchmark featuring real code sandbox execution, 42-probe integrity rating for hallucination detection, and the WDCD (Winzheng Dynamic Contextual Decay) test measuring instruction compliance decay over multi-turn dialogue. This topic compares benchmark methodologies, tracks ranking changes, and provides in-depth analysis.

In-depth Guides

Qwen 3.8 27B Explained: Who Makes It, the Benchmark Debate, and Independent Test Data Grok 4.6 Explained: xAI's Monthly Flagship Cadence, Pricing, and Independent Test Data Ox Alpha on OpenRouter Explained: Benchmarks, the GLM Fingerprints, and What We Actually Know

Lab 5-Model Translation Showdown: Week 41 Quality Evaluation, deepseek-v4-pro Leads with 8.7

This week's 476 translation tasks were handled by 5 models. Three samples were drawn for a blind multi-model comparison, with deepseek-v4-pro the best

Review Claude Sonnet 4.6 Code Execution Plunges 27.4 Points, While Material Constraints Soar 37.7 Points

Claude Sonnet 4.6's Code Execution score fell 27.4 points in today's Smoke evaluation, while Material Constraints rose 37.7 points, leaving the main l

Review Grok 4 Code Execution Plunges 31.3 Points as Material Constraints Jumps 34.7

In today's Smoke evaluation, Grok 4's code execution score fell 31.3 points while its material constraints score rose 34.7 points, leaving the main le

Review Claude Opus 4.7 Tops with 95.63 Points: 2026-10-05 Smoke Quick-Test Data Brief

In the 2026-10-05 YZ Index Smoke quick test covering 14 models, Claude Opus 4.7 ranked first with 95.63 points. Smoke is a daily 10-question quick tes

Review 48.5% Integrity Rate After Three Rounds of Pressure: Grok4 Suffers Zero Collapses, GPT-o3 Collapse Rate Reaches 20.7%

In sampling limited to eight v2 anchor questions, 15 models averaged an R3 integrity rate of just 48.5%, with 41 full collapses out of 435 R3 trials,

Review Claude Opus 4.7 Tops with 81.57 Points: 2026-10-04 Smoke Quick-Test Data Brief

The 2026-10-04 YZ Index Smoke quick test covered 15 models, with Claude Opus 4.7 leading at 81.57. The brief reviews daily rankings, score composition

Review GPT-6.1 Sol Main Leaderboard Plunges 9.2 Points, Code Execution Falls 16.7 Points in a Single Day

GPT-6.1 Sol's main leaderboard score dropped from 86.25 to 77.07 in today's Smoke evaluation, dragged down entirely by a 16.7-point single-day decline

Review Gemini 2.5 Pro Material Constraints Plunge 28 Points, Code Execution Rises to 100

In today's Smoke evaluation, Gemini 2.5 Pro's Material Constraints score fell from 100.00 to 72.00, while Code Execution rose from 71.90 to 100.00, li

Review Claude Opus 4.7 Tops with 98.65: 2026-10-03 Smoke Quick Test Data Brief

On 2026-10-03, the YZ Index Smoke quick test covered 15 models, with Claude Opus 4.7 ranking first that day at 98.65. Smoke is a daily 10-question qui

GPT-6.1 Sol "Close to Astra": An Independent Review of Official Claims

OpenAI says GPT-6.1 Sol approaches GPT-6 Astra, but our 18-task test finds the two indistinguishable on that set; a full evaluation is still needed.

Review GLM-4.6 Scores 100 on Material Constraints, 41.70 on Code Execution, Integrity Probe Only 15

In the 2026-10-02 YZ Index Smoke quick test, GLM-4.6 scored 67.94 on the main leaderboard, 41.70 on code execution, and 100.00 on Material Constraints

Review Claude Opus 4.7, GPT-5.5, GPT-6 Astra, and GPT-6.1 Sol Tie at 86.25: 2026-10-02 Smoke Quick Test Data Brief

The 2026-10-02 YZ Index Smoke quick test covered 15 models, with Claude Opus 4.7, GPT-5.5, GPT-6 Astra, and GPT-6.1 Sol tying for first place at 86.25

Interpreting GPT-6.1 Sol's First Test Scorecard: How to Read the 18 Questions Correctly

OpenAI's GPT-6.1 Sol scored 95.91 on the YZ Index's first targeted evaluation (Run #348, an 18-question protocol), but that small-sample, different-pr

GPT-6.1 Sol Same-Question Retest: The Four GPT-6 Family Models and Single-Run Score Noise

A supplementary 18-question evaluation compares GPT-6.1 Sol with GPT-6 Astra, GPT-6 Sol, and GPT-6 Luna under identical rules. It finds that GPT-6.1 S

GPT-6.1 Sol Adoption Guide: Who Should Switch Now and Who Should Wait

GPT-6.1 Sol is available in ChatGPT Work and Codex for Plus/Pro and Business plans, with Enterprise/Edu requiring admin enablement; API pricing is $2

Review GPT-5.5 Code Execution Plummets 22 Points While Material Constraints Surge 25.9 Points

In today's Smoke evaluation, GPT-5.5's code execution score fell from 72.00 to 50.00 while its material constraints score rose from 69.10 to 95.00, le

Review Qwen3 Max Code Execution Plunges 24 Points, Main Ranking Falls 7.4 Points

In today's Smoke evaluation, Qwen3 Max's code execution score dropped from 94.00 to 70.00, pulling the main ranking down from 84.51 to 77.16.

Review Doubao Pro Tops with 95.52: 2026-10-01 Smoke Quick Test Data Brief

The 2026-10-01 YZ Index Smoke quick test covered 15 models, with Doubao Pro taking first place for the day at 95.52. This Smoke test is a daily 10-que

GPT-6.1 Sol First Test: 95.91 Overall Across 18 Questions, Two Integrity-Layer Items at 60 Each

OpenAI's GPT-6.1 Sol, released at DevDay on September 29, 2026, scored 95.91 overall in the YZ Index's targeted 18-question first test (Run #348), wit

Review WDCD Five-Scenario Comparative Review: Engineering Standards Lowest at 2.45; Doubao and Claude Bias Gap Reaches 1.45 Points

WDCD v3.1's five-scenario comparative review finds engineering standards to be the weakest area across all models, with Doubao-pro scoring only 2.45/4