AI video model comparison
Grok Imagine Video vs Kling O1
Kling O1 is 29% cheaper (price per second at 720p: Grok Imagine Video $0.18/s vs Kling O1 $0.13/s). Grok Imagine Video has the cheapest clip, faster renders, longer clips and more reference images. Kling O1 has a higher top resolution.
| Price | ||
|---|---|---|
| Cheapest second | $0.13/s | $0.13/s (best) |
| Per second at 480p | $0.13/s | Not offered |
| Per second at 720p | $0.18/s | $0.13/s (best) |
| Per second at 1080p | Not offered | $0.17/s |
| Cheapest clip | $0.14 (best) | $0.39 |
| A 5-second clip at 720p | $0.90 | $0.64 (best) |
| A 10-second clip at 1080p | Not offered | $1.70 |
| Speed and length | ||
| Render time | ~1–2 min (best) | ~2 min |
| Longest clip | 15s (best) | 10s |
| Clip lengths | 1–15s | 3–10s |
| Output | ||
| Top resolution | 720p | 1080p (best) |
| Frames | 1:1 · 16:9 · 9:16 · 4:3 · 3:4 · 3:2 · 2:3 | 16:9 · 9:16 · 1:1 |
| Sound | — | Source track |
| Inputs | ||
| Takes | 8Text · 8 images | 7Text · 7 images · 1 video |
| Reference images | Up to 8 (best) | Up to 7 |
| Needs | A prompt | A prompt |
| What it does | ||
| Can do | Text → videoImage → videoMulti-reference | Text → videoImage → videoFirst + last frameMulti-referenceVideo → video |
| Good for | Fast drafts · Edgy creative · Memes | Image-to-video · Motion control · UGC content |
| Settings you control | Frame · Length · Resolution | Frame · Audio · Length · Attachment role · Resolution · Clip role |
Same prompt, side by side
UGC selfie · the same prompt on every model
“A woman in her late twenties talks straight into her phone camera in a bright kitchen, handheld selfie framing, natural window light, she smiles and gestures mid-sentence, casual creator energy, no on-screen captions”
Product shot · the same prompt on every model
“Cinematic product shot: a matte black wireless earbud case turns slowly on a dark reflective surface, a single warm rim light sweeps across it, macro lens, shallow depth of field, slow push-in, plain unbranded case”
Which should you choose?
Choose Grok Imagine Video if you want
- the cheapest clip
- faster renders
- longer clips
- more reference images
- fast drafts
- edgy creative
Choose Kling O1 if you want
- a lower price per second at 720p
- a higher top resolution
- first + last frame, which the other cannot do
- video → video, which the other cannot do
- image-to-video
- motion control
More from each model
Kling O1
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- Prices come from the live catalog at the pay-as-you-go rate. The quote before you generate is binding. Plans and packs
- Render times are the catalog’s own estimate for one render.
- Every clip and image on this page was rendered on OpenClips.
Questions
Grok Imagine Video vs Kling O1: questions
Kling O1 costs the least here (price per second at 720p). Grok Imagine Video: $0.18/s. Kling O1: $0.13/s. Prices are at the pay-as-you-go rate. The quote before you generate is binding.
Grok Imagine Video is the fastest here. Grok Imagine Video takes ~1–2 min. Kling O1 takes ~2 min.
Grok Imagine Video and Kling O1 take a still as the first frame or a reference.
Grok Imagine Video makes up to 15 seconds. Kling O1 makes up to 10 seconds.
Grok Imagine Video: silent. Kling O1: carries a source clip's track.