Kling 3.0 vs Runway Gen-4.5
Kling 3.0 has the higher overall score (9.1/10 vs 8.9/10). But Runway Gen-4.5 costs less: $1.50 per 10-second video, vs $1.60.
| Criterion | Kling 3.0 | Runway Gen-4.5 |
|---|---|---|
| TopVideoAI score | 9.1/10better | 8.9/10 |
| Realism | 9.0 | 9.0 |
| Motion | 9.3better | 8.8 |
| Prompt adherence | 8.9better | 8.7 |
| Art direction | 9.0 | 9.2better |
| Price of a 10 s video | $1.60 | $1.50better |
| Published API price | $0.16/s | $0.75 per 5 s |
| Generated audio | Yesbetter | No |
| Developer | Kuaishou | Runway |
| Released | February 2026 | December 2025 |
Provisional scores out of 10. Public API prices checked 08/20/2026.
Choose Kling 3.0 if…
you care most about believable body and hand movement and dialogue between several characters.
- Believable body and hand movement
- Dialogue between several characters
- Excellent value for money
- Textures can look smoothed out at 720p
Choose Runway Gen-4.5 if…
you care most about polished beauty and product shots and camera control tools in the Runway app.
- Polished beauty and product shots
- Camera control tools in the Runway app
- No native sound
- 5 s clips
Videos side by side
Examples generated by each model. Click to enlarge.
Kling 3.0
Runway Gen-4.5
Frequently asked questions
What is the difference between Kling 3.0 and Runway Gen-4.5?
Kling 3.0 (Kuaishou): Natural human motion and two-character dialogue at a reasonable price. Runway Gen-4.5 (Runway): The most commercial-looking output in the ranking: skin, products and studio lighting.
Kling 3.0 or Runway Gen-4.5: which one is better?
Kling 3.0 has the higher overall score (9.1/10 vs 8.9/10). But Runway Gen-4.5 costs less: $1.50 per 10-second video, vs $1.60.
Which is cheaper, Kling 3.0 or Runway Gen-4.5?
Runway Gen-4.5, at $1.50 per 10-second video through the API ($0.75 per 5 s), vs $1.60 for Kling 3.0.