AI video model comparison
Grok Imagine 1.5 vs OmniHuman 2.0
OmniHuman 2.0 is 13% cheaper (cheapest second: Grok Imagine 1.5 $0.21/s vs OmniHuman 2.0 $0.18/s). Grok Imagine 1.5 has the cheapest clip and faster renders. OmniHuman 2.0 has longer clips and native audio.
| Price | ||
|---|---|---|
| Cheapest second | $0.21/s | $0.18/s (best) |
| Per second at 480p | $0.21/s | Not offered |
| Per second at 720p | $0.36/s | Not offered |
| Per second at 1080p | $0.64/s | Not offered |
| Cheapest clip | $0.24 (best) | $0.73 |
| A 5-second clip at 720p | $1.81 | Not offered |
| A 10-second clip at 1080p | $6.40 | Not offered |
| Speed and length | ||
| Render time | ~30–54 sec (best) | ~2–10 min |
| Longest clip | 15s | 120s (best) |
| Clip lengths | 1–15s | 4–120s |
| Output | ||
| Top resolution | 1080p | — |
| Frames | 1:1 · 16:9 · 9:16 · 4:3 · 3:4 · 3:2 · 2:3 | Model default |
| Sound | — | Always on (best) |
| Inputs | ||
| Takes | 1Text · 1 image | 1Text · 1 image · audio |
| Reference images | Up to 1 | Up to 1 |
| Needs | A start image | A start image |
| What it does | ||
| Can do | Image → video | Image → videoAudio-driven |
| Good for | Fast drafts · Edgy creative · Memes | — |
| Settings you control | Frame · Length · Resolution | Length |
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 1.5 if you want
- the cheapest clip
- faster renders
- fast drafts
- edgy creative
Choose OmniHuman 2.0 if you want
- a lower price per second
- longer clips
- native audio
- audio-driven, which the other cannot do
More from each model
Grok Imagine 1.5
Compare with others
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Grok Imagine 1.5 vs Kling 3.0
Grok Imagine 1.5 vs Wan 3.0 Prime
OmniHuman 2.0 vs Wan 2.7 (image)How we compare
- 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 1.5 vs OmniHuman 2.0: questions
OmniHuman 2.0 costs the least here (cheapest second). Grok Imagine 1.5: $0.21/s. OmniHuman 2.0: $0.18/s. Prices are at the pay-as-you-go rate. The quote before you generate is binding.
Grok Imagine 1.5 is the fastest here. Grok Imagine 1.5 takes ~30–54 sec. OmniHuman 2.0 takes ~2–10 min.
Grok Imagine 1.5 and OmniHuman 2.0 take a still as the first frame or a reference.
Grok Imagine 1.5 makes up to 15 seconds. OmniHuman 2.0 makes up to 120 seconds.
OmniHuman 2.0 renders native audio with the picture. Grok Imagine 1.5: silent.