Compare engines

Seedance 2.0 Fast vs Kling 3 4K

This page compares Seedance 2.0 Fast vs Kling 3 4K on MaxVideoAI across native 4K delivery, iteration cost, key specs, and a scorecard across 11 criteria. Use it to decide when 4K is worth the premium before opening each engine profile for full specs.

7.8/10Score

Seedance 2.0 Fast

Strengths: Fast Seedance drafts, reference tests, and shot planning

8.2/10Score

Kling 3 4K

Strengths: Visual Quality, Temporal Consistency

Pricing snapshot

MaxVideoAI price per second by resolution; the pricing score compares the same tier when possible.

Seedance 2.0 Fast

480p: $0.14/s720p: $0.30/s

Kling 3 4K

4K: $0.55/s

Comparable score tier: 720p: $0.30/s vs 4K: $0.55/s

Scorecard (Side-by-Side)

Scores reflect quality and control on MaxVideoAI across 11 criteria.

How we benchmark
8.0

Prompt Adherence

iprompt alignment / instruction following
8.4
7.8

Visual Quality

iimage quality / aesthetic quality / realism / artifacts / flicker
8.9
8.1

Motion Realism

imotion smoothness / physics plausibility
8.2
7.2

Temporal Consistency

itemporal coherence / identity consistency
8.0
7.8

Human Fidelity

ifaces / hands / body realism
8.1
6.8

Text & UI Legibility

itext rendering / readability
6.9
8.8

Audio & Lip Sync

ilip sync quality / dialogue sync
8.4
7.6

Multi-Shot Sequencing

ishot-to-shot continuity / multi-shot
8.0
8.1

Controllability

icamera control / constraint following
8.5
8.8

Speed & Stability

ilatency / success rate
5.8
7.2

Pricing

iprice per second / credits / estimated cost
4.6

Winner summary

Leads on scorecard

Kling 3 4K leads on 8/11 (best: Visual Quality, Temporal Consistency).

Cheaper on MaxVideoAI

Cheaper: Seedance 2.0 Fast (720p: $0.30/s vs 4K: $0.55/s).

Video-to-Video

Video-to-Video: Seedance 2.0 Fast (Supported (video edit and extend) vs Not supported (no video input on this MaxVideoAI route)).

Key Specs (Side-by-Side)

Compare key AI video model specs side-by-side (pricing, inputs, resolution, duration, aspect ratios, audio, and core controls). This is a high-level snapshot — see the full engine profile for the complete feature set and prompt examples.

Seedance 2.0 FastKey specKling 3 4K
480p: $0.14/s
720p: $0.30/s
Pricing (MaxVideoAI)
4K: $0.55/s
Text-to-Video
Image-to-Video
Video-to-Video
First/Last frame
Ref2V: up to 9 image references; I2V: 1 start image
Reference image / style reference
Image-to-video: 1 source image; optional end frame
Reference video
720p
Max resolution
4K
15s
Max duration
15s
327s avg
Avg render time
191s avg
Auto / 21:9 / 16:9 / 4:3 / 1:1 / 3:4 / 9:16
Aspect ratios
16:9 / 9:16 / 1:1
24
FPS options
24
MP4
Output format
MP4
Audio output
Native audio generation
Lip sync
Advanced
Camera / motion controls
Basic
No (MaxVideoAI)
Watermark
No (MaxVideoAI)

FAQ

Quick answers about Seedance 2.0 Fast vs Kling 3 4K on MaxVideoAI (pricing, modes, specs, and why results differ).

What are Seedance 2.0 Fast and Kling 3 4K?

Seedance 2.0 Fast and Kling 3 4K are AI video generation engines available on MaxVideoAI. This page compares native 4K delivery, iteration cost, key specs, and performance data shown above.

Which is better: Seedance 2.0 Fast or Kling 3 4K?

It depends on your workflow. Use the scorecard and specs to decide whether the job needs native 4K delivery or a lower-cost iteration route, then open each engine profile for full details.

Which is cheaper on MaxVideoAI?

Pricing varies by engine and settings (duration, resolution, audio). Currently, Seedance 2.0 Fast starts at 480p: $0.14/s and Kling 3 4K starts at 4K: $0.55/s (see “Pricing (MaxVideoAI)” for details).

What are the biggest differences between Seedance 2.0 Fast and Kling 3 4K?
  • First/Last frame: Seedance 2.0 Fast is supported (1 start image + optional end image in i2v) vs Kling 3 4K is supported.
  • Max resolution: Seedance 2.0 Fast is 720p vs Kling 3 4K is 4K.
Do they support Text-to-Video / Image-to-Video / Video-to-Video?

On MaxVideoAI: Text-to-Video is Supported vs Supported; Image-to-Video is Supported vs Supported; Video-to-Video is Supported (video edit and extend) vs Not supported (no video input on this MaxVideoAI route). Some fields may still be under validation.

Do they support First/Last frame or references?

First/Last frame is Supported (1 start image + optional end image in i2v) vs Supported. Reference image/style is Ref2V: up to 9 image references; I2V: 1 start image vs Image-to-video: 1 source image; optional end frame; Reference video is Supported (up to 3 video references, video edit, or extension clips) vs Not supported (no video input on this MaxVideoAI route).

What are the max resolution, duration, and aspect ratios?

Max output is 720p / 15s for Seedance 2.0 Fast and 4K / 15s for Kling 3 4K. Supported aspect ratios include Auto / 21:9 / 16:9 / 4:3 / 1:1 / 3:4 / 9:16 vs 16:9 / 9:16 / 1:1 (see Key Specs for the full list).

Do they support audio generation and lip sync?

Audio output is Supported vs Supported. Native audio generation is Supported vs Supported, and lip sync is Supported vs Supported (some fields may still be under validation).

Does MaxVideoAI add a watermark?

No. MaxVideoAI exports are watermark-free (“Watermark: No (MaxVideoAI)”).

Why can results differ between these routes?

Even with similar instructions, models interpret constraints and settings differently. For Kling 3 4K, compare the specs and cost ladder first, then render only approved final shots in native 4K.

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

Open the full engine profiles for complete specs, controls, and more prompts: /models/seedance-2-0-fast and /models/kling-3-4k. You can also browse more outputs in the engine galleries.