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Harness-1 open-source search agent beats GPT-5.4 on recall

The 20-billion parameter agent outperforms GPT-5.4 on recalling relevant information. Built by UIUC, UC Berkeley, and Chroma using the gpt-oss-20B model, it is fully open-source.

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5 days ago
Harness-1 open-source search agent beats GPT-5.4 on recall — AIBriefs