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  "description": "GPT-5.5 是 OpenAI 于 2026 年 4 月 23 日发布的旗舰模型，主打智能体编码与专业工作。",
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    "body": "GPT-5.5 是 OpenAI 于 2026 年 4 月 23 日发布的旗舰模型，主打智能体编码与专业工作。[^s1]\n\n## 发布背景\n发布时上下文窗口为1,050,000 tokens，最大输出为128,000 tokens，API 标识为 gpt-5.5。[^s1]\n2026-04-23 在 ChatGPT 和 Codex 首发，2026-04-24 进入 API；API 快照标识为 gpt-5.5-2026-04-23，知识截止 2025-12-01。[^s1]\n\n## 定价与获取\n每百万 token 输入 5 美元、输出 30 美元。[^s1]\n\n## 性能表现\n以下为OpenAI公布的自家评测结果，尚未经独立复现。[^s1]\n- Terminal-Bench 2.0：82.7%（高于 GPT-5.4 的 75.1%、Claude Opus 4.7 的 69.4% 和 Gemini 3.1 Pro 的 68.5%）[^s1]\n- SWE-Bench Pro：58.6%（高于 GPT-5.4，官方未在正文给出 GPT-5.4 的具体分数）[^s1]\n- GDPval：84.9%（高于 GPT-5.4 的 83.0% 和 Claude Opus 4.7 的 80.3%）[^s1]\n- OSWorld-Verified：78.7%（高于 GPT-5.4 的 75.0% 和 Claude Opus 4.7 的 78.0%）[^s1]\n\n## 主要特点\n- 2026-10-14 起从 ChatGPT、ChatGPT Work 和 Codex 退役，但官方明确 API 访问不受影响；截至 2026-11-10 官方 API 模型页仍在列。[^s1]\n- 后继为 2026-07-09 发布的 GPT-5.6 系列（Sol/Terra/Luna 三档，旗舰 gpt-5.6-sol）；Codex 文档的迁移路径为 gpt-5.5 换 gpt-5.6-sol，ChatGPT/Codex 付费档的后续替代则为 GPT-6.1 Sol。[^s1]\n\n## 定位与后续\nGPT-5.5 是 GPT-5.4 的后继旗舰、主打智能体编码与专业工作，后被 GPT-5.6 系列及 GPT-6 系列接替，现仅余 API 渠道可用。[^s1]",
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