Responsible AI Use Disclaimer: The tools listed are for informational purposes. Users are responsible for adhering to ethical guidelines. Learn more.

AI Models · Compare

Kling 1.5 vs Runway Gen-3 Alpha

Side-by-side intelligence, speed, price, benchmarks, strengths and weaknesses for Kling 1.5 and Runway Gen-3 Alpha — refreshed monthly.

Want to compare different models?

Pick any two models
Kuaishou

Kling 1.5

ProprietarySep 2024

Strongest physics simulation in the space — and cheaper than Sora.

Open docs
Runway

Runway Gen-3 Alpha

ProprietaryJun 2024

The pro filmmaker’s tool — strong motion controls and editing suite.

Open docs

Head to head

Spec
Kling 1.5
Runway Gen-3 Alpha
Time to first token↓ better
45 s
Winner30 s
Price per second of video↓ better
Winner$0.05
$0.10
License
Proprietary
Proprietary
Input modalities
text, image
text, image
Output modalities
video
video

Strengths, weaknesses and best-for

Kling 1.5
Strengths
  • Best at physical realism
  • Cheap
  • Up to 2min clips
Weaknesses
  • English prompt adherence behind US peers
Best for
  • Action shots
  • Physical-product demos
Runway Gen-3 Alpha
Strengths
  • Fine-grained motion control
  • Mature editor
  • Camera controls
Weaknesses
  • Max 10s per clip
Best for
  • Pro video production
  • Music videos
  • Ads

Build the shortlist that fits your stack

Open every model in one place — sortable table with intelligence, speed and price.