New system used 357,000 tokens on 2026 test, beating rivals with design that reuses earlier reasoningAn analysis showed OpenAI's new artificial intelligence (AI) model earned a perfect score on the College Scholastic Ability Test (CSAT) for the first time. While top-tier AI models have previously posted near-perfect scores, this result is drawing attention because it used fewer tokens than existing models. According to results posted on GitHub on Sunday, OpenAI's new GPT-6 Astra was the only evaluated model to score a perfect 450 in the 2026 CSAT LLM Solution Log. The evaluation tested models on questions from the 2026 CSAT...