Head-to-head · Video Lab
Kling 4.0 vs Veo 3.1
Kling 4.0 runs 3–30 seconds at 720p or 1080p with audio on every clip and up to 10 references. Veo 3.1 runs 4, 6, or 8 seconds up to 4K with optional audio and up to three references.
Runs online, no installIncluded in plans from $19/moSpecs checked 4 October 2026 from the live Video Lab catalog
Catalog specs
Side-by-side from Video Lab.
Duration, resolution, aspect ratios, audio, modes, and controls come from the live model catalog—not from a ranked shoot-out.
Spec
Kling 4.0
Veo 3.1
Duration
Kling 4.0
3–30 seconds
Veo 3.1
4, 6, or 8 seconds
Resolution
Kling 4.0
720p, 1080p
Veo 3.1
720p, 1080p, 4K
Aspect ratios
Kling 4.0
21:9, 16:9, 1:1, 9:16
Veo 3.1
16:9, 9:16
Audio
Kling 4.0
Native audio
Veo 3.1
Optional generated audio
Modes
Kling 4.0
Text prompt, Animate image, First → last, References
Veo 3.1
Text prompt, Animate image, First → last, References
References
Kling 4.0
Up to 10
Veo 3.1
Up to 3
Advanced controls
Kling 4.0
None listed
Veo 3.1
Negative prompt, Seed
Verdict
Which one should you try?
Kling 4.0 lists 3–30 seconds at 720p or 1080p in 21:9, 16:9, 1:1, or 9:16, with audio generated on every clip, first/last frames, and up to 10 reference images. Veo 3.1 lists 4, 6, or 8 seconds at 720p, 1080p, or 4K in 16:9 or 9:16, with optional audio, first/last frames, up to three references (reference mode is an 8-second shot), negative prompt, and seed. Choose Kling 4.0 when the shot is long or leans on a reference pack; choose Veo 3.1 when 4K delivery or a silent take matters. Clip Studio does not publish a quality ranking between them.
Questions, answered
Kling 4.0 vs Veo 3.1 FAQ
Which is longer, Kling 4 or Veo 3.1?
Kling 4.0 lists 3–30 seconds in one clip. Veo 3.1 lists 4, 6, or 8 seconds.
Does Kling 4 output 4K like Veo 3.1?
No. Kling 4.0 lists 720p or 1080p in Video Lab. Veo 3.1 lists 720p, 1080p, or 4K.
Can I turn audio off?
On Veo 3.1, yes: audio is optional. Kling 4.0 generates audio with every clip in Video Lab.
How many reference images does each take?
Kling 4.0 takes up to 10. Veo 3.1 takes up to three, and its reference mode is an 8-second shot.
How are Kling 4.0 and Veo 3.1 priced?
Neither is free. Both are included in every Clip Studio plan and use the plan’s monthly generation allowance, and each setup is quoted before you generate. At each model’s default setup (Kling 4.0: 5 seconds at 1080p with audio; Veo 3.1: 6 seconds at 1080p with audio), Clip Pro’s monthly allowance covers about 5 Kling 4.0 clips or about 2 Veo 3.1 clips. Plan details live on the pricing page.
More compares
Related head-to-heads.
Kuaishou · Kuaishou
Kling 4.0 vs Kling O3
Kling 4.0 runs 3–30 seconds at 720p or 1080p with audio on every clip and up to 10 references. Kling O3 runs 3–15 seconds at 1080p with optional audio, up to four references, and intelligent multi-shot.
Open compareGoogle · ByteDance
Veo 3.1 vs Seedance 2.5
Veo 3.1 is a short 4K cinematic SKU. Seedance 2.5 is a longer 1080p native-audio model with a large reference set.
Open compareBlack Forest Labs · Google
FLUX 3 Max vs Veo 3.1
FLUX 3 Max runs 5–20 seconds at 720p or 1080p in seven aspect ratios, from text, a still, or first/last frames. Veo 3.1 runs 4, 6, or 8 seconds up to 4K and adds up to three references.
Open compareGoogle · Google
Gemini Omni Flash vs Veo 3.1
Two Google SKUs: Gemini Omni Flash is a fast 3–10s native-audio model. Veo 3.1 is a short cinematic SKU with optional audio and fewer references.
Open compare