Research
Banger paper from CMU on harness learning. (bookmark it) Also, pay attention to this important new AI engineering skill of improving agents …
Banger paper from CMU on harness learning. (bookmark it) Also, pay attention to this important new AI engineering skill of improving agents by editing their harness code instead of their weights. Seei
Banger paper from CMU on harness learning. (bookmark it) Also, pay attention to this important new AI engineering skill of improving agents by editing their harness code instead of their weights. Seeing a huge shift towards this. The authors train a proposer model with RL to read a task, the current harness and an execution report, then write a code edit to the harness. The reward is the score of the revised harness. The solver model never changes. A trained 4B proposer beats its 35B teacher at single-step revision on Reasoning Gym, including task families it never saw in training. A proposer trained on HotpotQA keeps improving harnesses on MuSiQue and 2WikiMultihopQA. Paper: https://arxiv.org/abs/2609.35738 Chat with Paper: https://academy.dair.ai/papers/harness-learning-enables-generalizable-test-time-adaptation-2609.35738
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Source: DAIR.AI (X) | 2026-10-03