Kling 4.0 is coming in October, but the announcement does not identify an exact release day or the year meant by “this October.” In a post on X, @Kling_ai also says Kling 4.0 Flash is live now for Ultra Yearly subscribers.

Video: Video accompanying the announcement about Kling 4.0 timing and Kling 4.0 Flash access.

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What the announcement establishes

The October wording identifies a release month rather than a complete Kling 4.0 release date. Because the post does not identify the year, the supplied information does not establish a specific launch date.

For Kling 4.0 Flash, the announcement identifies Ultra Yearly subscribers as the group with access mentioned in the post. It does not explain whether other subscription groups can use Flash or whether access is available to all Kling users.

What the announcement leaves open

The post provides no features, performance information, pricing, subscription terms or broader-access timeline. It also does not explain the relationship between Kling 4.0 Flash and Kling 4.0, so the announcement should not be treated as a description of either model’s capabilities.

Sources