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Video model comparison · 2 models · Updated Nov 2, 2026

Grok Imagine Video 1.5 Lite vs HeyGen Video

Highest resolution: HeyGen Video · Newest: HeyGen Video · Widest inputs: HeyGen Video. Not enough arena votes yet for a quality score, so this is a spec comparison.

  1. xAI

    Grok Imagine Video 1.5 Lite

    Released Oct 1, 2026New

    • Text to video
    • Image to video
    • Arena—
    • From$0.02/s
    • Max length15 s
    Full specs Remove Grok Imagine Video 1.5 Lite

  2. HeyGen

    HeyGen Video

    Released Oct 9, 2026New

    • Text to video
    • Image to video
    • Video editing
    • Audio input
    • Native audio
    • Arena—
    • From$0.02/s
    • Max length15 s
    Full specs Remove HeyGen Video

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01 — At a glance

Where they differ

Quality is the arena score from blind, side-by-side human votes. Price, length and resolution come from each lab’s own listings.

  • Lowest entry priceSame priceGrok Imagine Video 1.5 Lite from $0.02/s (480p) · HeyGen Video from $0.02/s (480p)
  • Longest clipsSame maximum lengthGrok Imagine Video 1.5 Lite: 1–15 s · HeyGen Video: 5–15 s
  • Highest resolutionHeyGen VideoGrok Imagine Video 1.5 Lite: 1080p · HeyGen Video: 2K
  • NewestHeyGen VideoGrok Imagine Video 1.5 Lite Oct 1, 2026 · HeyGen Video Oct 9, 2026
  • Widest inputsHeyGen VideoGrok Imagine Video 1.5 Lite: Text prompts, Reference images · HeyGen Video: Text prompts, Reference images, Audio, Video
  • Native audioHeyGen VideoGenerates an audio track with the video: Grok Imagine Video 1.5 Lite no · HeyGen Video yes
  • Image to videoBoth animate imagesStarts from an uploaded image: Grok Imagine Video 1.5 Lite yes · HeyGen Video yes
  • Self-hostingNo open weightsBoth are available only through APIs and apps
  • Most API hostsGrok Imagine Video 1.5 LiteGrok Imagine Video 1.5 Lite: 2 · HeyGen Video: 1
02 — Side by side

Every spec in one table

Dashes mean the data is not published.

Grok Imagine Video 1.5 Lite vs HeyGen Video specifications side by side
SpecificationGrok Imagine Video 1.5 LitexAIHeyGen VideoHeyGen
Price
Starting price$0.02/s 480p$0.02/s 480p
Top price$0.14/s 1080p$0.10/s 2K
10-second clip$0.20at the starting rate$0.20at the starting rate
Extra charges$0.01 per input image$0.07–$0.18/s with references, plus $0.04 per image
How it is billedPer secondPer second
Output
ProducesVideoVideo with sound
Resolutions480p · 720p · 1080p480p · 768p · 2K
Highest resolution1080p2K (best)
Clip length1–15 s5–15 s
Longest clip15 s15 s
SoundNoAlways generated
Frame controlFirst frame onlyFirst frame only
Inputs
Text promptsYesYes
Start image (image to video)YesYes
Video inputNoYes
Audio inputNoYes
References—Images
Access
WeightsProprietaryProprietary
API model IDgrok-imagine-video-1.5-lite—
API hosts2 (best)1
ReleasedOct 1, 2026Oct 9, 2026
03 — Questions

Which should you choose?

Which is better, Grok Imagine Video 1.5 Lite or HeyGen Video?

Neither model has enough arena votes for a reliable quality score yet, so this page compares specs only. Run the same three or four prompts through each and judge the results.

Which is cheaper?

Grok Imagine Video 1.5 Lite costs from $0.02/s (480p), up to $0.14/s (1080p); HeyGen Video costs from $0.02/s (480p), up to $0.10/s (2K). A 10-second clip at the lowest rate: Grok Imagine Video 1.5 Lite $0.20, HeyGen Video $0.20. Prices are list rates and change often; check the lab before budgeting.

How long can the videos be, and at what resolution?

Grok Imagine Video 1.5 Lite: 1–15 s, 480p / 720p / 1080p; HeyGen Video: 5–15 s, 480p / 768p / 2K.

What is the difference between Grok Imagine Video 1.5 Lite and HeyGen Video?

Grok Imagine Video 1.5 Lite is a video model from xAI (Oct 1, 2026), taking text prompts and reference images and producing video. HeyGen Video is a video model from HeyGen (Oct 9, 2026), taking text prompts, reference images, audio and video and producing video with sound.

Which is newer?

Grok Imagine Video 1.5 Lite Oct 1, 2026; HeyGen Video Oct 9, 2026.

Which generates video with sound?

Generates an audio track with the video: Grok Imagine Video 1.5 Lite no; HeyGen Video yes.

Can I run any of these on my own hardware?

No open weights. Both are available only through APIs and apps.

04 — Keep comparing

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