Kling AI
Free tierKuaishou's video generation model with up to 3-minute clips and strong human motion
Free tier available·All audiences·API available
Key strengths
$0.07/second of video — 65% cheaper than RunwayUp to 3-minute video generationStrong human motion renderingAPI for integrationText-to-video and image-to-video
Free tier + paid plans · from $6.99 USD/mo
CN
Founded 2024
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Kling's API offers text-to-video and image-to-video endpoints with per-second billing at approximately $0.07/second. Supports 720p and 1080p output with duration control. REST API with async job polling.