ResearchBenchmarksQuestion Answering on MMLU-Pro (test)Follow595Optimization Token UsageETGPO464.441,345.722,2273,108.28Feb 1, 2026Evaluation ResultsMethodMethodLinksOptimization Token UsageETGPOBackbone model=GPT-4.1...Backbone model=GPT-4.1-mini, Optimizer=GPT-4.12026.02595GEPABackbone model=GPT-4.1...Backbone model=GPT-4.1-mini, Optimizer=GPT-4.12026.022,623MIPROv2Backbone model=GPT-4.1...Backbone model=GPT-4.1-mini, Optimizer=GPT-4.12026.023,859