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  "title": "Gemini 3.1 Pro · Relaciones",
  "description": "Google DeepMind 于 2026 年 2 月 19 日 发布的 Gemini 3.1 Pro。",
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    "summary": "Google DeepMind 于 2026 年 2 月 19 日 发布的 Gemini 3.1 Pro。",
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        "title": "Gemini 3.1 Pro: Announcing our latest Gemini AI model",
        "url": "https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-1-pro/"
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        "title": "Gemini 3.1 Pro - Model Card — Google DeepMind",
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        "title": "Gemini 3.1 Pro Preview — Google AI for Developers",
        "url": "https://ai.google.dev/gemini-api/docs/models/gemini-3.1-pro-preview"
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        "id": "s4",
        "title": "Gemini Developer API pricing",
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        "title": "Gemini 3.1 Deep Think",
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        "title": "Models | Gemini API | Google AI for Developers",
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    "createdAt": "2026-11-11T13:46:32+08:00",
    "updatedAt": "2026-11-11T13:46:32+08:00",
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    "body": "## 发布背景\n\nGemini 3.1 Pro 是 [[organization_google_deepmind|Google DeepMind]] 于 2026 年 2 月 19 日 发布的 Gemini 模型[^s1]。该模型自发布起一直以预览版形式提供，截至 2026 年 11 月仍未转为正式版。[^s1]\n\n## 定价与获取\n\n每百万 token 输入 2 美元、输出 12 美元（提示不超过 20 万 token 时）；提示超过 20 万 token 时输入 4 美元、输出 18 美元[^s4]。API 标识为 gemini-3.1-pro-preview[^s1]。\n\n## 性能表现\n\n以下均为 Google DeepMind 在发布公告与技术报告中公布的厂商自报成绩，尚未经独立复现：\n\n- ARC-AGI-2：77.1%（ARC Prize 验证），厂商自报；远高于前代 Gemini 3 Pro 的 31.1%，亦高于 Claude Opus 4.6 的 68.8%[^s1]。\n- GPQA Diamond：94.3%，厂商自报；高于前代 Gemini 3 Pro 的 91.9% 和 Claude Opus 4.6 的 91.3%[^s1]。\n- SWE-Bench Verified：80.6%，厂商自报；高于前代 Gemini 3 Pro 的 76.2%，略低于 Claude Opus 4.6 的 80.8%[^s1]。\n- Humanity's Last Exam（无工具）：44.4%，厂商自报；高于前代 Gemini 3 Pro 的 37.5%，高于 Claude Opus 4.6 的 40.0%[^s1]。\n\n## 主要特点\n\n上下文窗口 1,048,576 token（约 100 万 token），最大输出 65,536 token（约 64K token）[^s1]。\n\n它是原生多模态模型，支持文本、图像、音频、视频和 PDF 输入，针对软件工程与智能体工作流优化[^s1]。\n\n官方定价无免费层级，付费层按提示长度分档计价，超过20万 token 的提示输入与输出单价均上调[^s1]。\n\nDeep Think 在 3.1 世代同样作为构建于 Gemini 3.1 Pro 之上的增强推理模式提供，并非独立模型[^s6]：仅面向 Google AI Ultra 订阅用户在 Gemini 应用内开放，无独立的公开 API 定价；官方 Gemini API 模型列表中没有 Deep Think 条目，Gemini 3.1 Pro 的唯一 API 端点为 gemini-3.1-pro-preview[^s7]。\n\n## 定位\n\n它是 Gemini 3 系列中接替 [[work_gemini_3_pro|Gemini 3 Pro]] 的 Pro 档旗舰，截至2026年11月仍为最新的 Pro 档 Gemini 模型，而新一代旗舰 [[work_gemini_4_argon|Gemini 4 Argon]] 已发布。截至 2026 年 11 月，该模型处于受限供应状态。",
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