Anthropic Will Push Opus 5.6+ Past 55% HLE Threshold

The next Anthropic Claude Opus model (5.6+) will debut with an HLE-Diamond Accuracy of at least 55% on agi.safe.ai. That would outpace Claude Opus 5.5's 54.6% model-alone accuracy recorded at its September 22, 2026 release and would close some of the gap to the 73.9% tool-enabled result reported th…