PLE Dev - structural - openhands: leaderboard

PLE evaluates agents on its separate 29-task development set from professional engineering work. Results distinguish the agent tools and engineering discipline. Mean task reward (0–1).

Metric: Mean task reward (0–1). Source: ple-bench.com. Saturation forecast: Around October 2027. 17 models tracked.

Top models

#ModelScoreOverall rank
1Claude Sonnet 5.50.32#12
2Claude Opus 5.50.3#3
3Claude Opus 50.29#15
4Claude Fable 50.29#19
5Gemini 4 Argon0.26#9
6Grok 4.70.23#27
7Gemini 3.8 Flash0.22#25
8GLM-5.20.22#77
9Gemini 3.1 Pro (Preview)0.09#61
10GPT-OSS-120B0.03#341
11Qwen 3 Coder 480B A35B0.02#279
12DeepSeek V4.1 Flash0.02#38
13Gemma 4 26B0.01#313
14Kimi K2 (Thinking)0.01#246 (Kimi K2)
15MiniMax-M20.01#322

No result here: #5 GPT-6 Astra, #7 GPT-6.1 Sol, #10 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=ple-dev-structural-openhands · How It Works · Data refreshed daily, snapshot 2026-10-29.