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Comparisons

Kling 4.0 vs Seedance 2.5: Same Prompts, Side by Side

Kling 4.0 and Seedance 2.5 on the same six prompts at 5 seconds, 720p, with sound: the clips side by side, with credits, times and which to pick.

By DER TeamPublished Tested

Disclosure: DER is our product. Every model in this post runs on DER, and you pay DER in credits when you use it.

AI-generated still of a red fox sitting in fresh snow at the edge of a birch forest

We gave Kling 4.0 and Seedance 2.5 the same six prompts on DER: five text prompts and one photo, every clip 5 seconds, 720p and 16:9, with sound. Kling 4.0 followed our prompts more closely: the breakdance move, the bold lettering on the mug and a spoken line delivered on camera. Seedance 2.5 gave darker, more cinematic shots and was the closer match when the fox had to head into the trees. A 5-second clip cost 600 credits on Kling 4.0 and 225 on Seedance 2.5.

The two models at a glance

Kling 4.0Seedance 2.5
Made byKuaishouByteDance
Ways to startText, image, first and last framesText, image, first and last frames, reference images and clips
Length3 to 30 seconds4 to 30 seconds
Resolution720p, 1080p480p, 720p, 1080p
SoundAlways onOn or off
On DERPro tierEvery account

Kling 4.0 starts from 360 credits for a 3-second clip (≈ $3.60). Seedance 2.5 starts from 78 credits for a 4-second clip (≈ $0.78), at 480p without sound; at the 720p with sound we tested, a clip costs more, as the results below show.

Text to video, prompt by prompt

The five prompts each test one thing: fast body motion, a character speaking on camera, a camera move over a landscape, readable text on an object, and a stylized animated look.

Text to video: five prompts

5 seconds, 720p, 16:9, with sound on both models.

Fast human motion: a breakdance spin on a wet street

PromptA young dancer in a yellow jacket performs a fast breakdance spin on a wet city street at night, neon signs reflecting in the puddles, a handheld camera circles the dancer, the slap of sneakers on wet asphalt and a distant hip-hop beat.

  • Kling 4.0

    5 s · 720p · 16:9

    600 credits · 3 min 42 s

  • Seedance 2.5

    5 s · 720p · 16:9 · with sound

    225 credits · 3 min 0 s

Speech and lip sync: a barista talks to the camera

PromptIn a small sunlit café, a barista with curly hair slides a cup across the counter, looks into the camera and says: "Your oat latte is ready. Careful, it is hot." Soft background chatter and the hiss of a milk steamer.

  • Kling 4.0

    5 s · 720p · 16:9

    600 credits · 3 min 19 s

  • Seedance 2.5

    5 s · 720p · 16:9 · with sound

    225 credits · 2 min 52 s

Landscape and camera move: drone over a misty forest

PromptAerial shot gliding forward over a misty pine forest at sunrise, a river winding through the valley below, golden light breaking through the fog, slow and steady drone movement, birdsong and a light wind.

  • Kling 4.0

    5 s · 720p · 16:9

    600 credits · 4 min 31 s

  • Seedance 2.5

    5 s · 720p · 16:9 · with sound

    225 credits · 2 min 53 s

Text on an object: a mug that reads MORNING

PromptClose-up of a white ceramic mug on a wooden table by a window, steam rising, the word "MORNING" printed in bold black letters on the mug, shallow depth of field, the camera slowly orbits the mug, quiet room tone.

  • Kling 4.0

    5 s · 720p · 16:9

    600 credits · 5 min 10 s

  • Seedance 2.5

    5 s · 720p · 16:9 · with sound

    225 credits · 2 min 46 s

Stylized 3D animation: a small robot waters a plant

PromptStylized 3D animation: a small round orange robot waters a potted plant on a windowsill while rain streaks down the glass, soft warm indoor light, the plant grows a new leaf, gentle piano music and the patter of rain.

  • Kling 4.0

    5 s · 720p · 16:9

    600 credits · 4 min 9 s

  • Seedance 2.5

    5 s · 720p · 16:9 · with sound

    225 credits · 2 min 37 s

Test data: Text to video: five prompts (tested November 4, 2026)
TestModelSettingsCreditsRun timeResult
Fast human motion: a breakdance spin on a wet streetKling 4.05 s · 720p · 16:9600 credits3 min 42 sDone
Fast human motion: a breakdance spin on a wet streetSeedance 2.55 s · 720p · 16:9 · with sound225 credits3 min 0 sDone
Speech and lip sync: a barista talks to the cameraKling 4.05 s · 720p · 16:9600 credits3 min 19 sDone
Speech and lip sync: a barista talks to the cameraSeedance 2.55 s · 720p · 16:9 · with sound225 credits2 min 52 sDone
Landscape and camera move: drone over a misty forestKling 4.05 s · 720p · 16:9600 credits4 min 31 sDone
Landscape and camera move: drone over a misty forestSeedance 2.55 s · 720p · 16:9 · with sound225 credits2 min 53 sDone
Text on an object: a mug that reads MORNINGKling 4.05 s · 720p · 16:9600 credits5 min 10 sDone
Text on an object: a mug that reads MORNINGSeedance 2.55 s · 720p · 16:9 · with sound225 credits2 min 46 sDone
Stylized 3D animation: a small robot waters a plantKling 4.05 s · 720p · 16:9600 credits4 min 9 sDone
Stylized 3D animation: a small robot waters a plantSeedance 2.55 s · 720p · 16:9 · with sound225 credits2 min 37 sDone
  1. Fast motion (the breakdance spin). Kling 4.0 gave a real breakdance move: fast footwork around a hand planted in the puddles, with the camera circling. Seedance 2.5 had the dancer spin on their feet with the jacket flaring, in a darker, moodier shot. Kling 4.0 is the closer match to the prompt.
  2. Speech and lip sync (the barista). Both said the line word for word. Kling 4.0 cut to a close-up and delivered the whole line on camera; Seedance 2.5 started the line over a close-up of the mug and showed the barista's face for the second half. Kling 4.0 is the better pick when the line has to be seen being spoken.
  3. Landscape and camera move (the drone shot). Both made a smooth, steady forward glide. Kling 4.0 showed the whole valley and its winding river from the first frame; Seedance 2.5 flew low through thick sun rays over the treetops and revealed the river halfway through. Both did the move well, so pick the look you prefer.
  4. Text on an object (the MORNING mug). Both spelled MORNING right. Kling 4.0 matched the bold black letters and orbited the mug as asked. Seedance 2.5 used thin hand-drawn letters, added an autumn leaf on the table and drew fuller, more natural steam.
  5. Stylized animation (the robot). Kling 4.0 made a robot with arms and a watering can and told the story in three shots, ending on a new leaf. Seedance 2.5 made a round orange character with one big eye that sprinkles water from its own spout, in one continuous shot, and its seedling visibly grows. Kling 4.0 looks more like a robot; Seedance 2.5 keeps it to one shot.

Photo to video

Both models animated the same still: a red fox in snow, which we generated with Seedream 5.0 Pro on DER.

Photo to video

Both models animated the same still, made with Seedream 5.0 Pro. 5 seconds, 720p, with sound.

Photo to video: the fox from the still image

PromptThe fox turns its head toward the camera, blinks, then stands up and trots away into the birch forest as snowflakes keep falling. Soft wind and the crunch of snow.

Input

AI-generated still of a red fox sitting in fresh snow at the edge of a birch forest
  • Kling 4.0

    5 s · 720p

    600 credits · 5 min 17 s

  • Seedance 2.5

    5 s · 720p · 16:9 · with sound

    225 credits · 3 min 44 s

Test data: Photo to video (tested November 4, 2026)
TestModelSettingsCreditsRun timeResult
Photo to video: the fox from the still imageKling 4.05 s · 720p600 credits5 min 17 sDone
Photo to video: the fox from the still imageSeedance 2.55 s · 720p · 16:9 · with sound225 credits3 min 44 sDone

Both kept the fox and the birch forest true to the still. Kling 4.0's fox trotted off to the side and out of the frame, while Seedance 2.5's fox turned and trotted away into the trees, which is what the prompt asked for.

The numbers

Kling 4.0Seedance 2.5
Clips that came back6 of 66 of 6
Typical time to a resultAbout 4 minutesAbout 3 minutes
Credits for a 5-second 720p clip with sound600225

Which one should you use?

  • For a character who speaks on camera, use Kling 4.0, because in our test it delivered the barista's whole line in a close-up.
  • For words on a product, use Kling 4.0, because in our test it matched the bold black lettering we asked for on the MORNING mug.
  • For moody, cinematic scenes on a smaller budget, use Seedance 2.5, because in our test its night street and forest clips had a darker film look, at 225 credits against 600.
  • For a photo where the subject has to go somewhere specific, use Seedance 2.5, because in our test its fox trotted into the trees as the prompt asked.

Try both

Each model page has its settings and current starting price: Kling 4.0 and Seedance 2.5. You can run either one from text to video or image to video on DER. For a closer look at Kling 4.0 alone, including how it compares with Kling 3.0, read our Kling 4.0 review.

How we tested

Six prompts: five text-to-video prompts and one image-to-video test from a still we made with Seedream 5.0 Pro on DER. Both models ran every prompt at 5 seconds, 720p and 16:9 with sound: Kling 4.0 always adds sound, and Seedance 2.5 ran with sound turned on. The Kling 4.0 clips are the same runs as in our Kling 4.0 review. Times run from starting the job to the finished clip. We checked the spoken line with speech-to-text.

Credits are what each run actually cost on November 4, 2026. Prices change: each model's page has the current one.

Models and tools in this post