Compare engines

FLUX 3 vs Grok Imagine Video 1.5

See what each model can create. Compare quality, controls and price.

How to choose

Compare FLUX 3 and Grok Imagine Video 1.5 by key specs, pricing, controls, and a scorecard across 10 criteria.

Quick verdict

Choose FLUX 3 for final visual quality, multishot and deeper production control. Choose Grok 1.5 for simpler generation and broader fixed aspect ratios. Standard FLUX 3 and Draft also support 1–10 timed keyframes. FAST Edit belongs only to standard FLUX 3 at 720p and inherits source timing, framing and audio. Enhance needs your own eligible native Draft and a qualified paired cache; a public MP4 or Draft Extend result cannot supply it. Enhance has a separate quote and does not transfer to Max.

FLUX 3

8.6/10Editorial score

Higher-rated areas: Visual quality, Creative control

Grok Imagine Video 1.5

8.3/10Editorial score

Higher-rated areas: Visual quality, Follows your prompt

Compare what matters

These are MaxVideoAI editorial assessments, not same-prompt test results. The dates below record score updates. MaxVideoAI sells access to the models it covers.

Score records last updated: FLUX 3 · Grok Imagine Video 1.5

How we benchmark
Criterion · 0–10FLUX 3Grok Imagine Video 1.5
Follows your promptHow closely the result follows the prompt.
FLUX 38.7/10
Grok Imagine Video 1.58.4/10
Visual qualityDetail, lighting and visible artifacts.
FLUX 39.0/10
Grok Imagine Video 1.58.5/10
Natural movementHow naturally subjects and cameras move.
FLUX 38.5/10
Grok Imagine Video 1.58.2/10
Human appearanceFaces, hands and body movement.
FLUX 38.6/10
Grok Imagine Video 1.58.4/10
Audio & lip syncSpeech, sound and mouth movement in sync.
FLUX 37.0/10
Grok Imagine Video 1.57.5/10
Creative controlHow much direction the model follows.
FLUX 38.8/10
Grok Imagine Video 1.58.0/10
6 of 10 criteria shown10 of 10 criteria shownCompare the 4 other criteriaHide additional criteria
Criterion · 0–10FLUX 3Grok Imagine Video 1.5
Consistency over timeWhether details hold together over time.
FLUX 38.6/10
Grok Imagine Video 1.58.3/10
Readable textHow readable generated text and interfaces are.
FLUX 37.6/10
Grok Imagine Video 1.56.8/10
Multi-shot continuityContinuity between different shots.
FLUX 38.4/10
Grok Imagine Video 1.57.0/10
Speed & reliabilityGeneration speed and reliability.
FLUX 37.4/10
Grok Imagine Video 1.58.0/10

What will your video cost?

Compare prices by resolution. The final quote depends on your duration, mode and settings.

FLUX 3

Current price unavailable

The current quote could not be confirmed. Check your settings in the app before generating.

Grok Imagine Video 1.5

Current price unavailable

The current quote could not be confirmed. Check your settings in the app before generating.

Your settings. Your quote. Before you generate.
USD estimate · snapshot generated

Formats, inputs and controls

Check duration, resolution, supported inputs and controls. Open each model’s guide for its full feature set.

New clip · maximum

FLUX 3
20 s
Grok Imagine Video 1.5
15s

Max resolution

FLUX 3
1080p
Grok Imagine Video 1.5
1080p (720p for reference-to-video)

Audio output

FLUX 3
Supported
Grok Imagine Video 1.5
Supported
Compare all 18 specificationsClose the full specification tableCheck references, audio, camera controls and output formats.
FLUX 3 / Grok Imagine Video 1.5 — Key spec
Key specFLUX 3Grok Imagine Video 1.5
Pricing (MaxVideoAI)Current price unavailableCurrent price unavailable
Text-to-VideoSupportedSupported
Image-to-VideoSupportedSupported
Video-to-VideoSupported (FAST Edit; source timing and framing)Supported by xAI for video editing; not exposed in current MaxVideoAI route
First/Last frameSupportedNot exposed in current MaxVideoAI route
Reference image / style referenceStart image, first/last frames, or 1–10 indexed keyframe images1-7 reference images
Reference videoSupported (native Extend; FAST Edit)Provider video-edit input is not exposed in current MaxVideoAI route
Max resolution1080p1080p (720p for reference-to-video)
New clip · maximum20 sImage references, Text to video, Image to video, First / last frame: 5–20 s15s
Extension · added duration5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 / 14 / 15 / 16 / 17 / 18 / 19 / 20 sNot supported
Aspect ratiosauto / 21:9 / 2:1 / 16:9 / 4:3 / 1:1 / 3:4 / 9:1616:9 / 4:3 / 3:2 / 1:1 / 2:3 / 3:4 / 9:16
FPS optionsProvider-managedProvider-managed
Output formatMP4MP4
Audio outputSupportedSupported
Native audio generationSupportedSupported
Lip syncSupported for multilingual dialogueSupported through generated and preset-voice workflows
Camera / motion controlsPrompt-based; native multi-shot supportPrompt-based
WatermarkNo visible MaxVideoAI watermark; provider provenance markers may applyNo visible MaxVideoAI watermark; provider provenance markers may apply

Duration choices depend on mode and resolution; check the creation settings.

Capabilities available in MaxVideoAI. Provider sources below; their verification dates are not recorded here.

FLUX 3: bfl.ai · docs.bfl.ai · fal.ai

Grok Imagine Video 1.5: docs.x.ai (1) · docs.x.ai (2) · fal.ai

Explore the models

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11 questions to help you choose

FAQ

Quick answers about FLUX 3 vs Grok Imagine Video 1.5 on MaxVideoAI (pricing, modes, specs, and why results differ).

Open a question to read the answer. One answer at a time.

Which is better: FLUX 3 or Grok Imagine Video 1.5?

Choose FLUX 3 for final visual quality, multishot and deeper production control. Choose Grok 1.5 for simpler generation and broader fixed aspect ratios. Standard FLUX 3 and Draft also support 1–10 timed keyframes. FAST Edit belongs only to standard FLUX 3 at 720p and inherits source timing, framing and audio. Enhance needs your own eligible native Draft and a qualified paired cache; a public MP4 or Draft Extend result cannot supply it. Enhance has a separate quote and does not transfer to Max.

Which is cheaper on MaxVideoAI?
  • FLUX 3 — Current quote unavailable; check settings before generating..
  • Grok Imagine Video 1.5 — Current quote unavailable; check settings before generating..
  • Compare equivalent settings. These are estimates in USD, not reserved quotes.
What are the biggest differences between FLUX 3 and Grok Imagine Video 1.5?
  • Reference image / style reference — FLUX 3: Start image, first/last frames, or 1–10 indexed keyframe images; Grok Imagine Video 1.5: 1-7 reference images.
  • Max resolution: FLUX 3 is 1080p vs Grok Imagine Video 1.5 is 1080p (720p for reference-to-video).
Can I start from text, an image or a video?
  • FLUX 3 — Text-to-Video: Supported; Image-to-Video: Supported; Video-to-Video: Supported (FAST Edit; source timing and framing).
  • Grok Imagine Video 1.5 — Text-to-Video: Supported; Image-to-Video: Supported; Video-to-Video: Supported by xAI for video editing; not exposed in current MaxVideoAI route.
Can I use start and end frames or references?
  • FLUX 3 — First/Last frame: Supported; Reference image / style reference: Start image, first/last frames, or 1–10 indexed keyframe images; Reference video: Supported (native Extend; FAST Edit).
  • Grok Imagine Video 1.5 — First/Last frame: Not exposed in current MaxVideoAI route; Reference image / style reference: 1-7 reference images; Reference video: Provider video-edit input is not exposed in current MaxVideoAI route.
What resolutions, durations and aspect ratios are available?
  • FLUX 3 — Max resolution: 1080p; New clip · maximum: 20 s. Image references, Text to video, Image to video, First / last frame: 5–20 s. Extension · added duration: 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 / 14 / 15 / 16 / 17 / 18 / 19 / 20 s. Aspect ratios: auto / 21:9 / 2:1 / 16:9 / 4:3 / 1:1 / 3:4 / 9:16. Duration choices depend on mode and resolution; check the creation settings.
  • Grok Imagine Video 1.5 — Max resolution: 1080p (720p for reference-to-video); New clip · maximum: 15s. . Extension · added duration: Not supported. Aspect ratios: 16:9 / 4:3 / 3:2 / 1:1 / 2:3 / 3:4 / 9:16. Duration choices depend on mode and resolution; check the creation settings.
Can the models generate audio and lip sync?
  • FLUX 3 — Audio output: Supported; Native audio generation: Supported; Lip sync: Supported for multilingual dialogue.
  • Grok Imagine Video 1.5 — Audio output: Supported; Native audio generation: Supported; Lip sync: Supported through generated and preset-voice workflows.
Does MaxVideoAI add a watermark?
  • FLUX 3 — Watermark: No visible MaxVideoAI watermark; provider provenance markers may apply.
  • Grok Imagine Video 1.5 — Watermark: No visible MaxVideoAI watermark; provider provenance markers may apply.
Why can results differ between these models?

Models interpret instructions, visual references, and generation constraints differently.

Where can I find full specs, controls, and more prompt examples?

Open the full engine profiles for complete specs, controls, and more prompts: /models/flux-3 and /models/grok-imagine-video-1-5. You can also browse more outputs in the engine galleries.

What are FLUX 3 and Grok Imagine Video 1.5?

FLUX 3 and Grok Imagine Video 1.5 are AI video generation engines documented on MaxVideoAI. This page compares key specs, pricing, controls, and performance data shown above.