Your AI Model Is Not the Problem. Your Agent Harness Is.

The biggest performance gains in enterprise AI are no longer coming from better models — they are coming from the infrastructure wrapped around them. New research shows that 65% of AI agent failures originate from harness-level defects, not model limitations, and that harness optimisation alone can reduce token costs by 10x. We break down what an agent harness is, why it determines your AI outcomes more than model selection, and what European decision-makers should prioritise now.

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