第一项始终是图钉的来源。总体可信度是各份资料对上方所用开始和结束时间支持程度的加权平均；资料每比最新的一份旧 180 天，权重减半。
Estimated: Decrypt[3] embeds an early-access user post dated 26 May 2025 and ScriptByAI[4] lists the same day for the 2.1 lineup, while Kuaishou's June release only says the series debuted 'at the end of May 2025'; the full public rollout day is not stated.
5 June 2025 Kuaishou release: the 2.1 series debuted at the end of May 2025 with a Standard (720p) mode, a High Quality (1080p) mode and a premium Master Edition; ARR passed US$100 million in March.[1]
17 June 2025: sound effects (no speech or music) added to standard 2.1 image-to-video, about a week after launch, at roughly a twentieth of Veo 3's per-clip price.[1]
Dates the 2.1 lineup to 26 May 2025; non-Master text-to-video was not available at the initial launch.[1]
有遗漏或错误吗？用你自己的话说明：能佐证此图钉的链接、不同的开始或结束日期及理由，或缺失、有误的信息。AI 会对照此图钉的来源进行核实，搜索更好的来源，并添加任何支持你说法的页面。图钉自身的来源仍然最重要。AI 也会查看图片：显示的是别的东西或显示效果差的图片会被移到后面或替换。
| Spec | Value |
|---|---|
| 2.1 Standard image-to-video, 5 s | $0.28 (USD); $0.056 per extra second |
| 2.1 Pro image-to-video, 5 s | $0.49 (USD); $0.098 per extra second |
| 2.1 Master text-to-video, 5 s | $1.40 (USD); $0.28 per extra second |
Prices as listed on fal.ai endpoint pages, read 24 Oct 2026 (the Pro page is marked deprecated). Standard: https://fal.ai/models/fal-ai/kling-video/v2.1/standard/image-to-video ; Master: https://fal.ai/models/fal-ai/kling-video/v2.1/master/text-to-video · 来源
Kling 2.1, on the other hand, is the winner for image-to-video conversion, allowing users to take real-life photos or images created with specialized models like Flux or Ideogram and transform them into compelling animations.
The atmospheric sounds work, the rain sounds like rain, footsteps match the movement most of the time, and you can generate twenty attempts while Veo users carefully craft their single shot.
Kling 2.1 often matches or surpasses in visual fidelity and user-friendly controls.
