Shipped 22 October 2026.
Kling 4.0 is now one of the video models you can pick. It renders up to 30 seconds in a single take with sound, at 720p or 1080p, in 9:16, 16:9, 1:1 or 21:9, and takes up to five reference images plus an optional end frame.
Pick it by name in the Studio, or call it from your agent through the MCP server or the CLI. The exact cost is shown before anything renders.
More: Kling 4.0 on Hermoso and every video model.
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