Open-Source AI Search Agent Harness-1 Outperforms GPT-5.4 on Recall Benchmarks Despite Training on Fraction of Rival Data
Researchers from UIUC, UC Berkeley, and Chroma unveil Harness-1, a 20-billion parameter open-source AI search agent that outperforms GPT-5.4 on recall benchmarks while training on a fraction of rival data, achieving 73% recall by offloading memory management to a structured external environment.