PLE Dev - structural - agy: 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 September 2027. 17 models tracked.

Top models

#ModelScoreOverall rank
1Claude Sonnet 5.50.33#12
2Gemini 4 Argon0.32#9
3Claude Opus 5.50.3#3
4Claude Opus 50.28#15
5Claude Fable 50.27#19
6Grok 4.70.24#27
7Gemini 3.8 Flash0.23#25
8GLM-5.20.2#77
9Gemini 3.1 Pro (Preview)0.06#61
10GPT-OSS-120B0.03#341
11Qwen 3 Coder 480B A35B0.02#279
12Kimi K2 (Thinking)0.02#246 (Kimi K2)
13Gemma 4 26B0.01#313
14MiniMax-M20.01#322
15Qwen 3 Next 80B A3B Instruct0.01#375

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-agy · How It Works · Data refreshed daily, snapshot 2026-10-29.