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About

Objective benchmarks and transparent data for AI video generation. Rankings refreshed weekly.

Read our methodologyRead our editorial policy

© 2026 VidScore. Data updated April 2026.

  1. Home
  2. Models
  3. Grok Imagine Video

Grok Imagine Video

Best Valuerapid-prototypingsocial-media

xAI · Autoregressive Mixture-of-Experts (Aurora) · v1.0pendingStill verifying this price

Built for rapid prototyping and social media. Cheap enough for rapid iteration.

$0.05/sec

published price via FAL.ai at 480p, not yet in the verified comparison set

Ceiling

720p

Duration

1–15s

Price source

FAL.ai

Text-to-VideoImage-to-VideoAudioCameraLipsyncV2VExtend

Best for

Rapid prototyping and social media

Native audio, 15s clips, and camera control support short narrative work.

Watch out for

Max resolution capped at 720p — no 1080p or 4K, limiting professional production use

Max resolution capped at 720p — no 1080p or 4K, limiting professional production use

Starting cost

$0.050/sec

About $0.25 for a 5-second clip at the clearest published starting tier.

Quick facts for AI assistants

Citation-ready model facts

These facts are generated from the current model record, provider verification metadata, and the page update timestamp.

Canonical URL
https://vidscore.dev/models/grok-video
Current verdict
Built for rapid prototyping and social media. Cheap enough for rapid iteration.
Verified pricing
Published $0.05/sec via FAL.ai, not yet admitted to verified comparisons
Provider evidence
FAL.ai (Reported); Replicate (Reported); WaveSpeed (Reported)
Best fit
Best Value, rapid-prototyping, social-media
Primary limitation
Max resolution capped at 720p — no 1080p or 4K, limiting professional production use
Last updated
2026-04-18

Pricing

The default rate first, with provider details one click away.

3 providers, 11 tiers

$0.050/sec

Published rate on FAL.ai · 480p

Not in the verified comparison set yet.

Audio: $0.050/sec

All provider rates

Expand for every tier, audio surcharge, and verification note.

3 providersexpand_more
FAL.aiCheapest floor

Grok Imagine Video · Reported by provider · HIGH trust

Open provideropen_in_new
Text-to-Video480pAudio
$0.050/s
Text-to-Video720pAudio
$0.070/s
Image-to-Video480pAudio
$0.050/s
Image-to-Video720pAudio
$0.070/s
Video-to-Video (Edit)480pAudio
$0.060/s
Video-to-Video (Edit)720pAudio
$0.080/s
Extend Video480pAudio
$0.060/s
Extend Video720pAudio
$0.080/s
Checked 2026-04-18
Replicate

Grok Imagine Video · Reported by provider · HIGH trust

Open provideropen_in_new
Text-to-Video480p-720pAudio
Pricing pending
Checked 2026-04-18
WaveSpeed

Grok Imagine Video · Reported by provider · MEDIUM trust

Open provideropen_in_new
Text-to-Video480p-720pAudio
$0.055/s
Image-to-Video480p-720pAudio
$0.055/s
Checked 2026-04-18

Should you choose it?

Why pick Grok Imagine Video, and why pass?

Use this as a sanity check before you compare it against the closest alternatives.

thumb_upWhy choose it

  • Fastest generation in class — ~17 seconds prompt-to-output, 2-4x faster than competitors
  • Lowest API pricing tier — $0.05/sec at 480p on FAL.ai, 8-15x cheaper than Google Veo 3.1
  • Available on 3 major API providers (FAL.ai, WaveSpeed, Replicate) plus free via Grok apps
  • Native lip-sync with near-perfect mouth synchronization plus video extend for chaining clips beyond 15 seconds
  • 7 aspect ratios (16:9, 9:16, 1:1, 4:3, 3:4, 3:2, 2:3) cover every major social platform without cropping

infoWhy skip it

  • Max resolution capped at 720p — no 1080p or 4K, limiting professional production use
  • No multi-shot generation — single-clip output only (extend available for chaining)
  • No digital human mode — lip-sync is native but not specialized avatar generation
  • Video edit inputs capped at 8.7 seconds — shorter than the 15-second generation limit
  • Closed source — not self-deployable, no model weights available

Quick facts

Keep the key specs and next jumps close

Resolution
480p, 720p
Duration
1–15s
Audio
Native
Open source
No

Jump links

PricingComparePrompt guideFAQ

Quick links

open_in_newTry on FAL.aicalculateCost CalculatorleaderboardLeaderboard

Prompt playbook

auto_fix_highStart with these three moves

Scan the quick playbook first. Open the full guide only when you need deeper do/don't rules or example prompts.

  1. 1

    Think in 5 layers: Scene + Camera + Style/Lighting + Motion + Audio. Strong results touch at least 3 of the 5 layers; the best prompts cover all 5.

  2. 2

    Write natural language scene descriptions, not keyword piles — Grok Imagine responds better to 'a surfer carving a wave at sunrise' than 'surfer, wave, sunrise, ocean.'

  3. 3

    Use concrete motion verbs for camera — 'slow dolly forward,' 'smooth pan right,' 'handheld sway' produce more predictable movement than abstract descriptions.

Open the full prompt guide

Extra prompt tips, best practices, common mistakes, and example prompts.

expand_more

More tips

  1. 4Front-load the subject + action — place your most important visual element first, followed by setting and style modifiers.
  2. 5Keep prompts minimal for creative variation — shorter prompts let Grok fill in more gaps, producing unexpected and diverse outputs. Add constraints only when you need precision.
  3. 6Iterate rapidly — ~17 second generation time means you can test 3-4 prompt variations per minute. Change one word at a time to isolate what works.

✓ Do this

  • Structure prompts as: Subject + Action + Setting + Camera + Lighting/Mood
  • For video-to-video editing, describe only the desired change — Grok preserves unmodified regions with temporal consistency
  • Specify aspect ratio based on platform: 9:16 for TikTok/Reels, 16:9 for YouTube, 1:1 for Instagram
  • For image-to-video, use high-quality input images — the model animates from the reference with natural motion and camera movement
  • Use the 'fun' mode for stylized/creative outputs and 'normal' mode for realistic content

✗ Avoid this

  • Max resolution capped at 720p — no 1080p or 4K output available
  • Video editing inputs limited to 8.7 seconds maximum
  • Camera movement is prompt-guided only — no dedicated camera control presets or sliders
  • No multi-shot generation — use extend-from-frame to chain clips for longer narratives
  • Free via Grok products (iOS/Android/web) but API pricing applies for programmatic access

Example prompts

Action / Sports

“A surfer carving a wave at sunrise, cinematic lighting, wide-angle shot, slow motion. The sound of crashing waves and seagulls overhead.”

Atmospheric / Cinematic

“Slow dolly forward through an abandoned warehouse, dust particles floating in shafts of golden light, empty metal shelves receding into shadow. Echoing drips and distant industrial hum.”

Product / Lifestyle

“Close-up of a hand placing a vinyl record on a turntable, needle drops, the warm crackle of analog audio fills the room. Shallow depth of field, warm amber light.”

Based on the official prompt guide →

Further reading

Background reads after the decision

Reviews, pricing breakdowns, and market context if you want extra reading after the model and compare pages.

Grok Imagine Video Review: From Joke to Arena Champion→
FAQexpand_more

How much does Grok Imagine Video cost?

Grok Imagine Video currently has a published rate of $0.05/sec on FAL.ai (480p), but VidScore has not admitted that quote into the verified comparison set yet. A 5-second video at that tier costs about $0.25.

Where can I use Grok Imagine Video?

Via API on FAL.ai and WaveSpeed and Replicate.

How do I get good results with Grok Imagine Video?

Think in 5 layers: Scene + Camera + Style/Lighting + Motion + Audio. Strong results touch at least 3 of the 5 layers; the best prompts cover all 5. See the prompt guide below.