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

HeyGen Video vs Grok Imagine Video 1.5 Lite

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. 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

  2. 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

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    Make it a three-way comparison.

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

Every spec in one table

Dashes mean the data is not published.

HeyGen Video vs Grok Imagine Video 1.5 Lite specifications side by side
SpecificationHeyGen VideoHeyGenGrok Imagine Video 1.5 LitexAI
Price
Starting price$0.02/s 480p$0.02/s 480p
Top price$0.10/s 2K$0.14/s 1080p
10-second clip$0.20at the starting rate$0.20at the starting rate
Extra charges$0.07–$0.18/s with references, plus $0.04 per image$0.01 per input image
How it is billedPer secondPer second
Output
ProducesVideo with soundVideo
Resolutions480p · 768p · 2K480p · 720p · 1080p
Highest resolution2K (best)1080p
Clip length5–15 s1–15 s
Longest clip15 s15 s
SoundAlways generatedNo
Frame controlFirst frame onlyFirst frame only
Inputs
Text promptsYesYes
Start image (image to video)YesYes
Video inputYesNo
Audio inputYesNo
ReferencesImages—
Access
WeightsProprietaryProprietary
API model ID—grok-imagine-video-1.5-lite
API hosts12 (best)
ReleasedOct 9, 2026Oct 1, 2026
03 — Questions

Which should you choose?

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

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?

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

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

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

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

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

Which is newer?

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

Which generates video with sound?

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

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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