Kling 4.0 Flash vs Kling 4.0
Two AI video models, one credit balance. Here is how they differ on price, length, resolution and sound. Every number is what Cirrela charges today.
Side by side
| Feature | Kling 4.0 Flash | Kling 4.0 |
|---|---|---|
| Made by | Kuaishou | Kuaishou |
| Good at | Costs 40% less than Kling 4.0 and, unlike it, makes sound | Kling's newest model: steady fast motion, up to 30 seconds |
| Price for a default video | 47 credits, 5 seconds at 720p with sound | 118 credits, 5 seconds at 1080p |
| Length | 5 to 20 seconds | 5 to 30 seconds |
| Sound | Made with the video | No sound |
| Best resolution | 720p | 1080p (paid plans) |
| Start from a photo | Yes | Yes |
| Formats | 16:9, 9:16, 1:1, 21:9 | 16:9, 9:16, 1:1, 21:9 |
Run the same idea through both
Pick a prompt, make it with each model and keep the one you like. The clips were made with Cirrela to show the idea, not necessarily with these two models.
A woman in dark sunglasses drives a vintage convertible through a city at night, neon reflections sliding across the windshield, light rain, cinematic 35mm film look, soft engine sound
Top-down drone shot of surfers riding turquoise waves at sunset, long shadows on the water, crisp detail, slow steady glide, ocean sound
Anime opening sequence: a girl with a long red scarf sprints across a rooftop at sunset, cherry blossom petals swirling around her, dynamic camera sweep, hand-drawn cel shading, energetic rock music
Turquoise bay with small motorboats, mountains behind, sunset from a high vantage point, slow steady glide, gentle wind and water sound
Which one should you pick?
Pick Kling 4.0 Flash if
- you want the lower price: 47 credits against 118 for a default video.
- you want sound made with the picture.
Pick Kling 4.0 if
- you need longer shots, up to 30 seconds.
- you need higher resolution, up to 1080p.
Not sure? Make the same idea with both. Failed renders are refunded, and the Create button shows the exact price before you click.