Sulphur 2 vs Grok Imagine: Image-to-Video Compared
Sulphur 2 and Grok Imagine both animate a still image into a short clip, but they suit different creators. Sulphur 2 is flat-price and simple with native audio; Grok Imagine is fast and playful. Here is the comparison.
Simplicity and price
Sulphur 2 is a flat 30 gems per video with a clean one-click flow - pick a ratio, add an image or prompt, generate. That predictability is great for budgeting. Grok Imagine pricing depends on the plan and mode.
Aspect ratios
Sulphur 2 supports 1:1, 2:3, 3:2, 3:4, 4:3, 9:16, and 16:9, so vertical, square, and landscape are all covered. That makes it flexible for TikTok, Reels, and YouTube in one tool.
Audio and output
Sulphur 2 can return clips with audio, which is unusual for a simple i2v tool. Grok Imagine is quick and fun but less focused on synced sound.
Flexibility
You can run Sulphur 2 from an image, a prompt, or both, so it doubles as a light text-to-video option. See the Sulphur 2 prompt guide and how to turn a photo into a video.
Verdict
- Sulphur 2 - flat price, many aspect ratios, audio, image-or-prompt.
- Grok Imagine - fast, playful, quick social clips.
Related: Sulphur 2 vs Seedance 2.0 and Grok Imagine vs Sora 2. Both are on forvideo.ai.