EC2-Bench - Pass^3: leaderboard

EC2-Bench (arXiv 2610.17816): 128 OpenClaw workspace tasks run three times per model, single models only. Score: Pass^3, the share of tasks (%) whose completion score exceeds 0.7 in all three runs, a measure of reliable success. Higher is better. Source: https://arxiv.org/abs/2610.17816

Metric: Pass^3 (%; share of the 128 tasks whose completion score exceeds 0.7 in all three runs). Source: arxiv.org. Saturation forecast: Around January 2027. 7 models tracked.

Top models

#ModelScoreOverall rank
1GLM-5.371.88#39
2DeepSeek V4.1 Flash71.88#35
3DeepSeek V4 Pro53.12#100
4Qwen 3.7 Plus53.12#91
5Qwen 3.5 27B30.47#185
6Qwen 3.5 9B9.38#377
7Qwen 3.5 2B2.34#1145

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=ec2-bench-pass-pow-3 · How It Works · Data refreshed daily, snapshot 2026-10-19.