# Doubao-Seed-2.1-pro

> Agent 长程执行、可信调研与多模态理解全面增强

- 模型 ID：`doubao-seed-2-1-pro`
- 厂商：字节跳动
- 主版本：260915
- 任务类型：Chat、VisualQuestionAnswering
- 标签：支持体验
- 更新时间：2026-09-16T03:51:10Z
- 模型详情页：https://ark.volcengine.com/region:cn-beijing/model/detail?Id=doubao-seed-2-1-pro

迈向生产级智能的新一代大模型，全面升级 Coding、Agent 与多模态能力，以更强的自主规划、长链路执行和动态修复能力，胜任企业真实复杂任务。

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Doubao-Seed-2.1 系列上线｜<span style="color:#5b4bff;">面向真实生产力场景</span>
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Doubao-Seed-2.1 是面向 Coding 和 Agent 时代打造的新一代大模型，提供 Pro 和 Turbo 两个版本，分别面向高复杂度任务探索和规模化生产场景。相较上一代版本，Seed 2.1 在 Coding 工程交付、Agent 长链路任务执行和多模态理解三大方向上实现全面升级，以更强的自主规划与动态修复能力，胜任真实研发与高价值生产任务。
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版本更新
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Doubao-Seed-2.1 Pro 本次更新重点增强 Agent 执行能力与多模态理解。模型能够持续推进复杂任务、协同并验收异步子任务，将图片、视频和页面理解用于推理判断与实际操作，让深度调研、办公协作和长程任务的交付更稳健。
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Agent
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复杂任务持续执行与验收
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<span style="font-weight:600;color:#1d2129;">复杂多步骤、长周期任务稳健推进，</span>强化任务拆解、持续规划与工具协同，将工作推进到可验收的成果
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<span style="font-weight:600;color:#1d2129;">异步子任务协同与验收更可靠，</span>依据真实状态和返回结果确认完成，减少提前收尾与反复返工
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多模态理解
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理解深入，响应高效
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<span style="font-weight:600;color:#1d2129;">图片、视频理解与视觉推理能力增强，</span>深入理解视觉信息中的逻辑关系，为真实环境感知与操作判断提供支撑
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<span style="font-weight:600;color:#1d2129;">理解效果与处理效率同步提升，</span>图片和视频理解任务耗时较上一代<span style="white-space:nowrap;">减少 <span style="font-weight:650;color:#5b4bff;">40%</span></span>
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深度调研
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可信分析，专业交付
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<span style="font-weight:600;color:#1d2129;">强化证据溯源、资料时效判断、来源权威性与数据核验，</span>让研究结论有据可查，深度分析更可靠
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<span style="font-weight:600;color:#1d2129;">金融投研展现专家级研究深度与洞察力，</span>金融建模计算可信度与研究报告交付质量大幅提升
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工具执行
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幻觉改善，反馈可信
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<span style="font-weight:600;color:#1d2129;">Agent 幻觉大幅改善，</span>调用必要工具取证、等待真实结果并检查返回内容，让回复更忠于事实与实际执行
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<span style="font-weight:600;color:#1d2129;">诚实说明工具不可用、证据不足与结论边界，</span>保留不确定性，减少编造结果或提前宣告完成
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Office 办公
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全局一致，跨应用协同
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<span style="font-weight:600;color:#1d2129;">文档、PPT 与表格的生成、修改和核验更实用，</span>优化基础版式、全局修改一致性与修改后的回读、视觉验收
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<span style="font-weight:600;color:#1d2129;">结合多模态理解与 Computer Use，</span>衔接浏览器、文档、表格和文件操作，支持跨软件办公流程
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Coding
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从设计还原到工程实践
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<span style="font-weight:600;color:#1d2129;">视觉理解赋能前端开发，</span>理解设计图中的布局、样式与细节，支持 Web 界面还原与应用开发
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<span style="font-weight:600;color:#1d2129;">覆盖自然语言驱动的新项目构建、环境部署与运维，</span>衔接代码生成、终端操作与工程任务执行
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能力展示
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<source src="https://lf3-static.bytednsdoc.com/obj/eden-cn/lm_sth/ljhwZthlaukjlkulzlp/ark/model_introduction/doubao/0915_agent.mp4" type="video/mp4">
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<div style="box-sizing:border-box;margin:0;padding:0;font-family:inherit;font-style:normal;letter-spacing:normal;text-transform:none;min-width:0;font-size:20px;line-height:1.5;font-weight:650;color:#1d2129;margin-bottom:8px;">500+ 子 Agent 协同尽调</div>
<div style="box-sizing:border-box;margin:0;padding:0;font-family:inherit;font-style:normal;letter-spacing:normal;text-transform:none;min-width:0;font-size:14px;line-height:1.8;font-weight:400;color:#626675;">检索 1000+ 网页，结合卫星影像、航运与招聘数据交叉核验财报，让结论有据可查。</div>
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<source src="https://lf3-static.bytednsdoc.com/obj/eden-cn/lm_sth/ljhwZthlaukjlkulzlp/ark/model_introduction/doubao/0915_game.mp4" type="video/mp4">
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<div style="box-sizing:border-box;margin:0;padding:0;font-family:inherit;font-style:normal;letter-spacing:normal;text-transform:none;min-width:0;font-size:13px;line-height:1.5;font-weight:500;color:#5b4bff;margin-bottom:7px;">复杂仓库 Coding</div>
<div style="box-sizing:border-box;margin:0;padding:0;font-family:inherit;font-style:normal;letter-spacing:normal;text-transform:none;min-width:0;font-size:20px;line-height:1.5;font-weight:650;color:#1d2129;margin-bottom:8px;">1000 项真实任务，83% 达可合并级标准</div>
<div style="box-sizing:border-box;margin:0;padding:0;font-family:inherit;font-style:normal;letter-spacing:normal;text-transform:none;min-width:0;font-size:14px;line-height:1.8;font-weight:400;color:#626675;">在 38.7 万行 Luanti 仓库中，多 Agent 并行修复跨 13 个模块的历史问题。</div>
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<source src="https://lf3-static.bytednsdoc.com/obj/eden-cn/lm_sth/ljhwZthlaukjlkulzlp/ark/model_introduction/doubao/0915_ERP.mp4" type="video/mp4">
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<div style="box-sizing:border-box;margin:0;padding:0;font-family:inherit;font-style:normal;letter-spacing:normal;text-transform:none;min-width:0;font-size:20px;line-height:1.5;font-weight:650;color:#1d2129;margin-bottom:8px;">约 2 小时，从录屏与草图到可用移动端</div>
<div style="box-sizing:border-box;margin:0;padding:0;font-family:inherit;font-style:normal;letter-spacing:normal;text-transform:none;min-width:0;font-size:14px;line-height:1.8;font-weight:400;color:#626675;">读懂 28 万行 ERP 代码，交付 3 个移动端页面，跑通完整采购链路。</div>
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<video aria-label="从设计图到四季动态 3D 庭院视频展示" autoplay loop muted controls playsinline preload="metadata" style="box-sizing:border-box;display:block;margin:0;padding:0;width:100%;max-width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#101114;border:0;">
<source src="https://lf3-static.bytednsdoc.com/obj/eden-cn/lm_sth/ljhwZthlaukjlkulzlp/ark/model_introduction/doubao/0915_3D.mp4" type="video/mp4">
当前浏览器不支持视频播放。
</video>
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<div style="box-sizing:border-box;margin:0;padding:0;font-family:inherit;font-style:normal;letter-spacing:normal;text-transform:none;min-width:0;font-size:13px;line-height:1.5;font-weight:500;color:#5b4bff;margin-bottom:7px;">VLM + 前端</div>
<div style="box-sizing:border-box;margin:0;padding:0;font-family:inherit;font-style:normal;letter-spacing:normal;text-transform:none;min-width:0;font-size:20px;line-height:1.5;font-weight:650;color:#1d2129;margin-bottom:8px;">从设计图到四季动态 3D 庭院</div>
<div style="box-sizing:border-box;margin:0;padding:0;font-family:inherit;font-style:normal;letter-spacing:normal;text-transform:none;min-width:0;font-size:14px;line-height:1.8;font-weight:400;color:#626675;">还原水体与植被细节，构建风雨雪和四季变化，将静态参考图变成可控的交互场景。</div>
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使用说明
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reasoning_effort 参数说明
</div><div style="box-sizing:border-box;margin:0;padding:0;font-family:inherit;font-style:normal;letter-spacing:normal;text-transform:none;min-width:0;font-size:15px;line-height:1.85;font-weight:400;color:#626675;margin-top:8px;">

支持思考程度调节，提供 <code style="box-sizing:border-box;font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;font-size:.9em;background:#fff;color:#5b4bff;padding:2px 5px;border-radius:3px;">minimal</code>、<code style="box-sizing:border-box;font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;font-size:.9em;background:#fff;color:#5b4bff;padding:2px 5px;border-radius:3px;">low</code>、<code style="box-sizing:border-box;font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;font-size:.9em;background:#fff;color:#5b4bff;padding:2px 5px;border-radius:3px;">medium</code>、<code style="box-sizing:border-box;font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;font-size:.9em;background:#fff;color:#5b4bff;padding:2px 5px;border-radius:3px;">high</code> 四种模式，默认为<code style="box-sizing:border-box;font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;font-size:.9em;background:#fff;color:#5b4bff;padding:2px 5px;border-radius:3px;">high</code>模式，其中 <code style="box-sizing:border-box;font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;font-size:.9em;background:#fff;color:#5b4bff;padding:2px 5px;border-radius:3px;">minimal</code> 为不思考。

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</div><pre style="box-sizing:border-box;width:100%;max-width:100%;min-width:0;margin:0;padding:20px 24px;overflow-x:auto;white-space:pre;word-break:normal;overflow-wrap:normal;background:#f7f7fa;border:1px solid #e8e9f0;color:#343747;font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;font-size:13px;line-height:1.75;border-radius:6px;"><code style="box-sizing:border-box;margin:0;padding:0;background:transparent;color:inherit;font-family:inherit;font-size:inherit;font-weight:400;line-height:inherit;white-space:inherit;">curl https://ark.cn-beijing.volces.com/api/v3/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $ARK_API_KEY" \
  -d $'{
    "messages": [
        {
            "content": [
                {
                    "image_url": {
                        "url": "https://arkdoc.tos-cn-beijing.volces.com/images/get-started/project-demo.png"
                    },
                    "type": "image_url"
                },
                {
                    "text": "请根据图片实现一个短视频网站首页项目，使用 HTML、CSS、JavaScript 输出完整可运行的单文件 index.html。请尽量还原图片中的布局、颜色、间距、圆角、阴影、卡片结构、导航、搜索、视频内容流和按钮样式。页面风格简洁时尚、年轻化，适合短视频内容社区。",
                    "type": "text"
                }
            ],
            "role": "user"
        }
    ],
    "model": "doubao-seed-2-1-pro-260628",
    "reasoning_effort": "high"
}'</code></pre>
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相关服务协议条款
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豆包模型服务协议：
<a href="https://www.volcengine.com/docs/82379/1142195" rel="noopener noreferrer" style="box-sizing:border-box;font-family:inherit;font-size:inherit;font-weight:500;color:#5b4bff;text-decoration:none;" target="_blank">点击阅读声明全文 →</a></div>
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火山方舟平台体验服务规则说明：
<a href="https://www.volcengine.com/docs/82379/1108564" rel="noopener noreferrer" style="box-sizing:border-box;font-family:inherit;font-size:inherit;font-weight:500;color:#5b4bff;text-decoration:none;" target="_blank">点击阅读声明全文 →</a></div>
<div style="box-sizing:border-box;margin:0;padding:0;font-family:inherit;font-style:normal;letter-spacing:normal;text-transform:none;min-width:0;display:inline;font-size:13px;line-height:1.8;color:#85899b;">
火山方舟平台安全信任服务协议：
<a href="https://www.volcengine.com/docs/83458/1108217" rel="noopener noreferrer" style="box-sizing:border-box;font-family:inherit;font-size:inherit;font-weight:500;color:#5b4bff;text-decoration:none;" target="_blank">点击阅读声明全文 →</a></div>
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