ResearchBenchmarksOrienteering Problem on OP N=500 standard (test)Orienteering Problem on OP N=500 standard (test)Follow123.218Objective ValueDeepACO107.25608111.40004115.544119.68796Jan 28, 2026Evaluation resultsMethodMethodLinksObjective ValueOptimality GapDeepACO2026.01123.2180PathWiseLLM backbone=GPT-5-nan...LLM backbone=GPT-5-nano (reasoning: medium)2026.01120.1982.45PathWiseLLM backbone=GPT-4o-miniLLM backbone=GPT-4o-mini2026.01118.9713.45PathWiseLLM backbone=GPT-5-nan...LLM backbone=GPT-5-nano (reasoning: low)2026.01113.9327.54ACO2026.01107.8712.46