Opennan

Every model, one API key.

Video, image, voice, text, music and 3D models in one place. Pay per use (per second, image, token or minute), and every call shows its exact cost before you run.

64 models on the API, all with one key

Models
Text-to-video arena
HappyHorse 1.0Besthappyhorse-1from $0.104/s(official $0.14/s, 25% below)$0.52 for 5 s at 720p1080p
Grok Imagine VideoBest valuegrok-imaginefrom $0.0156/s(official $0.05/s, 68% below)$0.0936 for 6 s at 480p720p
Kling O3kling-o3from $0.065/s(official $0.084/s, 22% below)$0.325 for 5 s at 720p1080p
Veo 3.1veo-3-1from $0.156/s(official $0.20/s, 22% below)$0.624 for 4 s at 720p4K
Kling 2.5 Turbo Prokling-2-5-turbo-profrom $0.0546/s(official $0.07/s, 22% below)$0.273 for 5 s at 1080p1080p
Wan 2.6wan-2-6from $0.091/s$0.455 for 5 s at 720p1080p
Seedance 1.5 Proseedance-1-5-profrom $0.065/s(official $0.116/s, 43% below)$0.26 for 4 s at 1080p1080p
Hailuo 2.3hailuo-2-3from $0.03792/s(official $0.04667/s, 18% below)$0.2275 for 6 s at 720p1080p
Hailuo 02hailuo-02from $0.013/s(official $0.01667/s, 22% below)$0.078 for 6 s at 480p1080p
Wan 2.5wan-2-5from $0.039/s(official $0.05/s, 22% below)$0.195 for 5 s at 480p1080p
Image-to-video arena
Kling 2.1kling-2-1from $0.0325/s$0.1625 for 5 s at 720p1080p
Kling 3.0 Turbokling-3-turbofrom $0.1105/s$0.5525 for 5 s at 720p720p
Seedance 2.0 Miniseedance-2-minifrom $0.0247/s(official $0.0352/s, 29% below)$0.1235 for 5 s at 480p720p
Seedance 2.5seedance-2-5from $0.2867/s$1.147 for 4 s at 480p1080p
Veo 3.1 Fastveo-3-1-fastfrom $0.065/s(official $0.08/s, 18% below)$0.26 for 4 s at 720p4K
Wan 2.2 FastCheapestwan-2-2-fastfrom $0.0078/s(official $0.015/s, 48% below)$0.039 for 5 s at 480p720p
Wan 3.0wan-3-0from $0.0975/s$0.4875 for 5 s at 720p720p

17 of 64 models · Arena scores: Artificial Analysis Video Arena, checked 2026-09-28

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