Kling 4.0 Guide: Features, Pricing, API and What’s Live
October 16, 2026
Kling 4.0 became available to all users on October 15, 2026. This guide covers its release timeline, a dated table of what’s live versus coming soon (4K, 10-bit HDR, 21:9, 2-minute extension, API), the new 30-second generation, 10 keyframes and 15-asset Omni Reference, Kling 4.0 vs Flash, how to use it on CinemaDrop, per-second credit pricing by plan, API status, how it compares with Seedance 2.5, and early reactions, all cited and dated.