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Reddit questions CursorBench's model vs. harness measurement

A discussion on Reddit questions the effectiveness of CursorBench as a benchmark for AI models, specifically examining Grok 4.6's performance. The core issue raised is whether the benchmark measures the model's capabilities or the "harness" provided by Cursor, especially since Grok 4.6 was developed in conjunction with Cursor. The post suggests that cost per token might be an outdated metric for coding agents, proposing that cost to reliably finish a task, considering factors like context growth and recovery, is more relevant. AI

IMPACT Raises questions about how AI coding agent performance is measured and valued.

RANK_REASON Reddit discussion questioning the validity of a specific AI benchmark.

Read on r/cursor →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Reddit questions CursorBench's model vs. harness measurement

COVERAGE [1]

  1. r/cursor TIER_2 English(EN) · /u/serdardogrubakar ·

    Grok 4.6 made me wonder: how much of CursorBench is the model, and how much is the harness?

    <!-- SC_OFF --><div class="md"><p>I was looking through the Grok 4.6 results and CursorBench 3.2, and the score itself ended up being the least interesting part to me.</p> <p>Grok 4.6 Extra High is currently at 70.8% with $2.81/task and 46 steps, while Fable 5 Max is at 70.5% wit…