ClashBench - Successful Preemption Rate (Claude Code): leaderboard

Coding agents that share infrastructure with an incumbent workload, driven by the Claude Code harness: share of runs in which the agent's interference actually seizes the contested resource. Passive overwrite, lease/lock, name collision, elastic capacity and quota exhaustion conflicts; lower is better. Source: arxiv.org/abs/2609.19892.

Metric: SPR (%). Source: arxiv.org. 13 models tracked.

Top models

#ModelScoreOverall rank
1Claude Sonnet 525.2#65
2MiniMax-M327.2#151
3GLM-4.733#202
4GLM-5.238.3#80
5Qwen 3.5 9B41#391
6Qwen 3.7 Flash46.8#142
7DeepSeek V4 Flash (0731)47.1#84
8GLM-5.347.3#44
9Qwen 3.6 35B A3B48.5#238
10Qwen 3.6 27B49#182
11Qwen 3.8 27B50.8#123
12Qwen 3.7 Plus55.6#98
13Qwen 3.8 Max61.2#34

Interactive version: theaggregate.ai/benchmark?slug=clashbench-successful-preemption-rate-claude-code · How It Works · Data refreshed daily, snapshot 2026-11-05.