Первая запись — всегда источник пина. Общая достоверность — это взвешенное среднее того, насколько каждый источник подтверждает указанные выше время начала и окончания; вес источника уменьшается вдвое за каждые 180 дней разницы с самым новым.
Kling's 30 September blog said the full model was "coming in October 2026" with early access from 28 September (Kling 4.0 Flash for Ultra Yearly subscribers); ScriptByAI[5] marks it 'Full Available' on 15 October and a review cites Kling's 15 October post on X. The Decoder[2] covered it on 19 October and the API rolled out from about 21 October, so 15 October is the full-model date.
19 October 2026: 30-second clips, ten keyframes, 8,000-token prompts, stereo audio and Flash (720p, 20 s); in a comparison video 4.0 'holds its own but doesn't pull ahead' of Wan 3.0 and Seedance 2.5.[1]
30 September 2026: the 4K and 10-bit HDR output is 'coming soon'; keyframes are reference images, not animation keyframes, and filmmakers say consistency across cuts still needs work.[1]
Reseller timeline: Flash early access 28 September, full model and API in October; its endpoints give 3-30 second clips at 720p or 1080p with stereo audio and up to 10 images, 5 videos and 3 audios as references.[1]
Dates Flash early access to 28 September, the full-model announcement to 30 September and full availability to 15 October 2026.[1]
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| Video extension to up to two minutes (The Decoder) |
| Agent access | MCP and CLI (The Decoder) |
|---|
| Flash variant | Up to 720p and 20 seconds; faster and cheaper (The Decoder) |
|---|
| API price | Not announced; API support listed as coming soon (The Decoder, 19 Oct 2026) |
|---|
Kling blog dated 30 Sep 2026. Disputed: Tech Times (https://www.techtimes.com/articles/328285/20260930/kling-40-promises-30-second-4k-video-broadcast-spec-coming-october-not-today.htm) treats 4K/HDR as coming soon; Decoder: https://the-decoder.com/kling-ai-drops-version-4-0-with-stereo-audio-multilingual-lip-sync-and-a-lighter-flash-variant/ · источник
| Spec | Kling 3.0 | Kling 4.0 |
|---|---|---|
| Max clip length | 15 seconds | 30 seconds |
| Native audio languages | English, Chinese, Japanese, Korean, Spanish | More than ten languages |
3.0 figures from Kuaishou's 3.0 press release: https://finance.yahoo.com/news/kling-ai-launches-3-0-080000425.html · источник
Kling 4.0 holds its own but doesn't pull ahead, especially when it comes to logical shot sequencing, physics, and natural-sounding dialogue.
At complex motion or character-heavy transitions, the model can produce morphing artifacts, inconsistent scale, or hands that change between reference frames.
Most evidence so far is vendor-chosen or early-access.