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  "title": "Gemini 1.5 Flash-8B · Relações",
  "description": "Google DeepMind 于 2024 年 10 月 3 日 发布的 Gemini 1.5 Flash-8B。",
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    "summary": "Google DeepMind 于 2024 年 10 月 3 日 发布的 Gemini 1.5 Flash-8B。",
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        "title": "Gemini 1.5 Flash-8B is now production ready",
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    "body": "## 发布背景\n\nGemini 1.5 Flash-8B 是 [[organization_google_deepmind|Google DeepMind]] 于 2024 年 10 月 3 日 发布的 Gemini 模型[^s1]。2024 年 8 月 27 日先以实验版 gemini-1.5-flash-8b-exp-0827 发布，同年 10 月 3 日正式版上线。[^s1]\n\n## 定价与获取\n\n每百万 token 输入 0.0375 美元、输出 0.15 美元（提示词小于 128K 时的付费档定价）[^s1]。API 标识为 gemini-1.5-flash-8b[^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- MMLU-Pro：58.7%，厂商自报；略低于 2024 年 5 月版 Gemini 1.5 Flash 的 59.1%[^s1]。\n- MATH：58.7%，厂商自报；高于 2024 年 5 月版 Gemini 1.5 Flash 的 54.9%[^s1]。\n- GPQA (diamond)：38.4%，厂商自报；低于 2024 年 5 月版 Gemini 1.5 Flash 的 41.4%[^s1]。\n- MMMU：53.7%，厂商自报；低于 2024 年 5 月版 Gemini 1.5 Flash 的 56.1%[^s1]。\n\n## 主要特点\n\n上下文窗口 1,048,576 token，最大输出 8,192 token[^s1]。\n\n正式版定价为 [[work_gemini_1_5_flash|Gemini 1.5 Flash]] 的一半，速率限制为其两倍（每分钟最多 4000 次请求）[^s1]。\n\n2025 年 9 月 29 日随 Gemini 1.5 系列一同在 Gemini API 中停用[^s2]。\n\n## 定位\n\nGemini 1.5 Flash 的更小、更便宜的 8B 级变体，定位在 1.5 Flash 之下、面向高频轻量任务，后继为 Gemini 2.0 Flash-Lite 等 2.0 系列轻量模型。该模型已于 2025 年 9 月 29 日退役。",
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