[{"data":1,"prerenderedAt":152},["ShallowReactive",2],{"\u002Fblog\u002Fdeepseek-v4-flash-review":3,"\u002Fblog\u002Fdeepseek-v4-flash-review-surround":143},{"id":4,"title":5,"author":6,"body":10,"date":131,"description":132,"extension":133,"image":134,"meta":135,"minRead":136,"navigation":137,"path":138,"seo":139,"source":140,"sourceUrl":23,"stem":141,"__hash__":142},"blog\u002Fblog\u002Fdeepseek-v4-flash-review.md","DeepSeek V4 Flash 正式版深度体验：便宜、快、1M 上下文、内置搜索",{"name":7,"avatar":8},"陈大黄",{"src":9,"alt":7},"\u002Favatar.jpg",{"type":11,"value":12,"toc":120},"minimark",[13,28,31,36,39,42,46,49,52,56,59,62,66,69,76,80,83,86,90,93,105,108,111,114],[14,15,16],"blockquote",{},[17,18,19,20,27],"p",{},"原文发在 ",[21,22,26],"a",{"href":23,"rel":24},"https:\u002F\u002Fx.com\u002Frealchendahuang\u002Fstatus\u002F2084817432750047595",[25],"nofollow","X","，8 万+ 浏览。",[17,29,30],{},"深度体验了几天的 DeepSeek V4 Flash 0731 正式版，总结一下它的优缺点。",[32,33,35],"h2",{"id":34},"优点一便宜极度的便宜","优点一：便宜，极度的便宜",[17,37,38],{},"便宜到脏活累活可以全都交给它干，没有任何心理负担。用到就是赚到——节省下来的时间价值，都能买更多 Token 了。",[17,40,41],{},"有多便宜？我的使用体感是：跑批处理、跑 Agent 循环、跑几十轮对话，账单基本无感。AI 最贵的不是算力，是\"不敢用\"的心理门槛。V4 Flash 直接把这道门拆了。",[32,43,45],{"id":44},"优点二速度快","优点二：速度快",[17,47,48],{},"这是很重要的一点。你也不希望一个任务跑两个小时再回来验收吧？",[17,50,51],{},"Flash 模型给我的体感就是快如闪电、言出法随。写代码、改 bug、跑测试、批量处理，反馈是即时的。尤其是配合 Agent 工具循环，每一步都在几秒内完成，交互体验完全不一样。",[32,53,55],{"id":54},"优点三上下文长","优点三：上下文长",[17,57,58],{},"1M 的上下文，可以容纳大多数复杂的任务，不需要频繁 compact。",[17,60,61],{},"以前用短上下文模型，代码库看几眼就满了，得靠各种压缩技巧省空间。现在直接把整个仓库、整批文档、完整对话历史扔进去，它还装得下。结合 Cache 打折，长上下文场景可以做到非常便宜——重复内容命中缓存，价格直接砍半还多。",[32,63,65],{"id":64},"优点四官方内置联网搜索","优点四：官方内置联网搜索",[17,67,68],{},"官方 Responses 接口内置了服务端 web-search，不用任何配置，直接享受搜索服务。",[17,70,71,72],{},"对时效性内容、Agent 查资料场景，这是刚需。不用自己对接搜索引擎、不用申请搜索 Key，官方托管整个流程。展开讲见这篇：",[21,73,75],{"href":74},"\u002Fblog\u002Fdeepseek-api-web-search","DeepSeek API 内置联网搜索，Responses API 白嫖官方搜索能力",[32,77,79],{"id":78},"优点五开源不绑定供应商","优点五：开源，不绑定供应商",[17,81,82],{},"你可以选择任何一家模型服务商来部署或转售，不用担心供应商绑定。",[17,84,85],{},"不用再去祈祷某些闭源厂家可怜的 Reset 施舍。开源意味着生态、意味着选择权、意味着你能把模型嵌入自己的产品而不被卡脖子。",[32,87,89],{"id":88},"缺点不支持多模态","缺点：不支持多模态",[17,91,92],{},"读图、看图场景有局限。但这是\"便宜\"的必要代价——多模态会导致模型参数膨胀，成本就上去了。",[17,94,95,96,100,101],{},"解法也很简单：",[97,98,99],"strong",{},"组合使用","。需要识图的时候，把图片交给专门的视觉模型处理，文本推理继续用 V4 Flash。我调研了目前性价比最高的识图方案，见这篇：",[21,102,104],{"href":103},"\u002Fblog\u002Fqwen-vision-for-deepseek","给 DeepSeek 补上多模态：Qwen-3.7-Flash 识图方案",[32,106,107],{"id":107},"我的结论",[17,109,110],{},"V4 Flash 是那种\"日常主力\"级别的模型：便宜到随便用、快得没脾气、上下文大到不用省、还带搜索。",[17,112,113],{},"团队里干活，脏活累活全丢给它；需要视觉的时候，旁边配一个识图模型组合出招。这套组合拳打下来，成本低、体验好、不绑死任何一家。",[17,115,116,117],{},"相关阅读：",[21,118,119],{"href":74},"DeepSeek API 内置联网搜索",{"title":121,"searchDepth":122,"depth":122,"links":123},"",2,[124,125,126,127,128,129,130],{"id":34,"depth":122,"text":35},{"id":44,"depth":122,"text":45},{"id":54,"depth":122,"text":55},{"id":64,"depth":122,"text":65},{"id":78,"depth":122,"text":79},{"id":88,"depth":122,"text":89},{"id":107,"depth":122,"text":107},"2026-08-05","深度体验几天 DeepSeek V4 Flash 正式版：极致的便宜、快如闪电、1M 上下文、官方内置联网搜索、完全开源。唯一的短板是多模态，但可以组合其他模型补上。","md",null,{},7,true,"\u002Fblog\u002Fdeepseek-v4-flash-review",{"title":5,"description":132},"x","blog\u002Fdeepseek-v4-flash-review","H-vMafFiWntiIvDjOrLxS32jPQWR5hBjpunF365rCv0",[144,147],{"title":75,"path":74,"stem":145,"description":146,"children":-1},"blog\u002Fdeepseek-api-web-search","DeepSeek 官方在 API 里内置了联网搜索：用 Responses 接口调用 deepseek-v4-flash，声明 web_search 工具即可，不用对接第三方搜索引擎，不用申请搜索密钥。",{"title":148,"path":149,"stem":150,"description":151,"children":-1},"免费用户如何榨干 Cloudflare，免费版到底能白嫖到什么程度？","\u002Fblog\u002Ffree-cloudflare","blog\u002Ffree-cloudflare","Cloudflare 免费版能撑起一整套个人互联网基础设施：DNS、CDN、Pages、Workers、KV、D1、R2、邮箱、Tunnel、AI Gateway 等。",1786137254711]