Sulphur 2 vs Seedance 2.0: Which Image-to-Video Wins?
Sulphur 2 and Seedance 2.0 both turn a still image into motion, but they serve different needs. Here is the full head-to-head.
Scope
Seedance 2.0 is a full video model - text-to-video and image-to-video at 480p / 720p / 1080p, with strong multi-subject motion. Sulphur 2 is image-to-video only, but adds native audio and a flat, low price.
Identity and motion
Both preserve the source well. Seedance 2.0 handles complex, multi-subject motion better and offers a resolution dial. Sulphur 2 keeps the frame tight and returns grounded motion with sound in a single pass.
Aspect ratios
Sulphur 2 supports 1:1, 2:3, 3:2, 3:4, 4:3, 9:16 and 16:9 - handy for targeting portrait, square and landscape without cropping.
Price
Sulphur 2 is a flat 30 gems per video, which makes budgeting simple for high volume. Seedance 2.0 bills by resolution and length, so cost scales with quality.
Which should you use?
- Cheap, predictable image-to-video with audio - Sulphur 2.
- Resolution tiers and multi-subject motion - Seedance 2.0.
- Text-to-video too - Seedance 2.0.
Verdict
Pick Sulphur 2 for simple, low-cost i2v with sound and Seedance 2.0 for resolution control and complex motion. Both live on forvideo.ai.