R2ABench (OpenHands) - GED Accuracy: leaderboard

Metric: Normalized graph-edit-distance accuracy (0-100) between the generated and reference architecture graphs (L1), over the 68 R2ABench projects (17 educational and 51 GitHub repositories), generating a PlantUML architecture view from the structured requirements specification with the OpenHands agent framework under default settings and greedy decoding; scored only over the outputs that render and parse (the L0 gate), failed outputs excluded; higher is better. Source: arxiv.org. Saturation forecast: Around December 2027. 4 models tracked.

Top models

#ModelScore
1Qwen 3 Coder 480B A35B52.82
2Claude Sonnet 4.651.89
3GPT-545.49

Interactive version: theaggregate.ai/benchmark?slug=r2abench-openhands-ged-accuracy · How It Works · Data refreshed daily, snapshot 2026-10-07.