Kling 4.0 is available on Kling AI, Higgsfield, fal.ai, Runway and OpenArt. Kling AI is the official platform for the model and has the lowest cost per clip in our comparison. Higgsfield costs almost the same and adds other video and image models on one credit balance. For API access, Higgsfield, fal.ai and Runway offer Kling 4.0 while Kling’s own Kling 4.0 API is still coming soon. Runway and OpenArt fit if you alre
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