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DeepSeek 三种模式合一：V4.1 Flash 最快今日发布，V4 Pro 将下线
DeepSeek 宣布将原快速模式、专家模式和图像识别模式合并为统一智能模式，模型可自动判断查询复杂度、在检测到图像输入时启用视觉能力，并按任务难度调整处理能力。此前多模态视觉理解模型 DeepSeek-V4-Flash-Vision-Exp 已在 DeepSeek API 平台上线，支持 Chat Completions、Messages 和 Responses 三种调用格式。DeepSeek 计划于 2026 年 9 月 10 日（北京时间）前后正式发布 V4.1 Flash，称其在性能、成本、速度等指标上超过 V4 Pro；并计划于 9 月 14 日 12:00 下线 V4 Pro，届时请求将路由至 V4.1 Flash 并按 V4.1 Flash 价格计费。据其官方沟通群通知，V4.1 Flash 中间版本在内部测试中采用新模型结构，具备原生多模态支持。Flash 系列自 9 月 10 日 12:00 起调价：非高峰时段输入缓存命中 0.02 元、缓存未命中 1 元、输出 4 元，高峰时段价格为非高峰的两倍。
AI推荐理由
输入提供了 DeepSeek 模型整合与版本更替的具体信息：原快速模式、专家模式、图像识别模式合并为统一智能模式，可自动判断查询复杂度并调用视觉能力；V4.1 Flash 计划于 2026 年 9 月 10 日前后发布，据称在性能、成本、速度等指标上超过 V4 Pro；V4 Pro 计划于 9 月 14 日 12:00 下线并路由至 V4.1 Flash；Flash 系列自 9 月 10 日 12:00 起调价，给出缓存命中/未命中与输出单价及峰谷价差。这些对开发者和 API 使用者有直接参考价值。局限在于来源为 AIbase 转述，正文未附官方公告原文或可验证链接，'全面超越'等表述来自其转述的测试说法，需以官方发布为准。
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正文
DeepSeek Unifies Three Modes: V4.1 Flash Launches Today at Fastest Speed, V4 Pro Will Be Discontinued
AIbase基地
Published inAI News · 3 min read · Sep 10, 2026
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DeepSeek announced that it has merged the original fast mode, expert mode, and image recognition mode into one, so users no longer need to manually switch.
DeepSeek has integrated them into a unified intelligent mode: the model can automatically detect the complexity of the query, activate visual capabilities when detecting image input, and adjust processing power according to task difficulty. Before this, the multimodal visual understanding model DeepSeek-V4-Flash-Vision-Exp was already launched on the DeepSeek API platform, supporting three formats for calling: Chat Completions, Messages, and Responses.
V4.1 Flash Outperforms V4 Pro, Old Models to be Retired on September 14
DeepSeek previously announced that it plans to officially release the V4.1 Flash model around September 10, 2026 Beijing Time. After internal and external testing, V4.1 Flash has comprehensively surpassed V4 Pro in performance, cost, speed, total time, and other metrics.
DeepSeek plans to retire the V4 Pro service at 12:00 Beijing Time on September 14, 2026. At that time, V4 Pro will be routed to V4.1 Flash and charged based on the V4.1 Flash pricing.
According to a notice released by DeepSeek in its official communication group, the intermediate version of V4.1 Flash used a new model structure during internal testing, featuring native multimodal support, stronger capabilities, faster speed, and lower costs.
Flash Series Price Adjustment同步
In addition, DeepSeek also announced that starting at 12:00 on September 10, the Flash series pricing will be adjusted: the unit price for input cache hit during off-peak hours is 0.02 yuan, the unit price for input cache miss is 1 yuan, and the output unit price is 4 yuan; the peak hour price is twice the off-peak hour price.
DeepSeekV4.1FlashMultimodalVisualUnderstandingModelSmartMode
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