"GPT-5.5 是 OpenAI 自 GPT-4.5 以来首个完全重新训练的基础模型。SWE-bench Verified 88.7%、Terminal-Bench 2.0 82.7%、1M 上下文检索质量从 36.6% 跃升至 74.0%。本文完整拆解 benchmark 数据、定价策略,以及
"GPT-5.5 is OpenAI's first fully retrained foundation model since GPT-4.5. It delivers 88.7% on SWE-bench Verified, 82.7% on Terminal-Bench 2.0, and m