Curiosity · AI Model
Kling 1.5
Kling 1.5 is the September 2024 update to Kuaishou's flagship text-to-video model, launched earlier in the year as a Sora competitor. It is a diffusion-transformer (DiT) trained with 3D spatio-temporal attention, capable of generating up to two-minute 1080p clips at 30 fps with natural camera motion, stable characters, and image-to-video conditioning. Kling 1.5 meaningfully improved prompt adherence, facial consistency, and text-on-screen rendering, and is available through Kuaishou's Kling web app and API.
Model specs
- Vendor
- Kuaishou
- Family
- Kling
- Released
- 2024-09
- Context window
- 1 tokens
- Modalities
- text, vision, video
- Input price
- n/a
- Output price
- n/a
- Pricing as of
- 2026-04-20
Strengths
- Up to 2-minute 1080p outputs
- Strong motion coherence and facial stability
- Image-to-video conditioning
- Accessible through a mature web UI
Limitations
- Closed model — API-only access, credits-based
- Generation latency in the minutes range
- Less predictable for non-Kuaishou-style creative prompts
- Prompt adherence weaker than Veo 3 for complex scenes
Use cases
- Short-form creative video
- Image-to-video animation for stills
- Marketing and social video prototyping
- Storyboarded camera-motion shots
Benchmarks
| Benchmark | Score | As of |
|---|---|---|
| VBench motion smoothness | top tier at release | 2024-09 |
| Artificial Analysis video ranking | top 3 (Sept 2024) | 2024-09 |
Frequently asked questions
What is Kling 1.5?
Kling 1.5 is Kuaishou's September 2024 update to its flagship text-to-video diffusion-transformer model, producing up to 2-minute 1080p clips.
How do I use Kling?
Through the Kling web app (klingai.com) or the Kling API, both credit-based.
How does Kling compare to Sora?
Kling 1.5 was one of the first publicly available Sora-class models. At the 2024 frontier, Sora produced slightly more film-like outputs but had limited availability; Kling was actually usable at scale.
Sources
- Kuaishou Kling AI — accessed 2026-04-20
- Artificial Analysis — video leaderboard — accessed 2026-04-20