GPT-6.1 Terra vs. Claude Opus 5.5: Cheaper and faster in three tests at max effort

The article suggests GPT-6.1 Terra outperforms Claude Opus 5.5 on cost and speed in a small set of high-effort tests, signaling that frontier-model selection is becoming less about raw capability alone and more about efficiency at scale. For CIOs, this has direct implications for AI operating models: lower inference costs, faster response times, and stronger economics could shift vendor strategy, model routing, and governance priorities across enterprise IT.