CineStack

Seedance 2.5 up to 4K, for less than others charge for 720p.

One API. Pay per second. Every tier is generated with Seedance 2.5 and AI-upscaled for sharper, larger video. Audio included.

Pricing

TierPer second20-second clipHow it's made
720p-enhanced $0.18 $3.60 Generated at 480p, AI-upscaled to 720p. Cheaper than native 720p.
1080p-enhanced $0.21 $4.20 Generated at 480p, AI-upscaled to 1080p.
1080p-crisp $0.38 $7.60 Generated at native 720p, AI-upscaled to 1080p. Sharpest 1080p detail.
2k-enhanced $0.25 $5.00 Generated at 480p, AI-upscaled to 2K.
4k-enhanced $0.30 $6.00 Generated at 480p, AI-upscaled to 4K.

References: guide a video with up to 30 images (free), 10 videos and 10 audio clips. Reference video and audio add a per-second charge: $0.12/s ($0.24/s on 1080p-crisp).

If an upscale ever fails after retries, you get the source video and pay only the generation cost.

Get an API key