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Name: Harness, Not Model: Retain Reasoning + Compact
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SKU: prod_lE4vj7fEbkwFX
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Harness, Not Model: Retain Reasoning + Compact

Why OpenAI's 3x ARC-AGI-3 harness fix is a law your own agent loop already needs

A field guide mapping OpenAI's retain-reasoning + compaction benchmark result onto a real 24/7 production dispatch loop — with measured cost of getting it wrong and a 4-point checklist for your own agent.

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