AI Daily Digest — August 1, 2026: ARC-AGI-3 Harness Discovery, EU AI Gigafactories, Devin SWE-1.7
OpenAI published a technical deep-dive revealing that GPT-5.6 Sol's low ARC-AGI-3 score was due to the evaluation harness discarding reasoning and truncating context, not model weakness. Enabling reta…