Sora 2 vs Runway Gen-4.5
Sora 2 has the higher overall score (9.0/10 vs 8.9/10). It is also cheaper: $1.25 per 10-second video, vs $1.50.
| Criterion | Sora 2 | Runway Gen-4.5 |
|---|---|---|
| TopVideoAI score | 9.0/10better | 8.9/10 |
| Realism | 9.1better | 9.0 |
| Motion | 8.9better | 8.8 |
| Prompt adherence | 9.3better | 8.7 |
| Art direction | 8.8 | 9.2better |
| Price of a 10 s video | $1.25better | $1.50 |
| Published API price | $1.00 per 8 s | $0.75 per 5 s |
| Generated audio | Yesbetter | No |
| Developer | OpenAI | Runway |
| Released | September 2025 | December 2025 |
Provisional scores out of 10. Public API prices checked 08/20/2026.
Choose Sora 2 if…
you care most about follows the requested staging precisely and sound and dialogue.
- Follows the requested staging precisely
- Sound and dialogue
- Low price for the standard version
- The Pro version costs three times as much
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.
Sora 2
Runway Gen-4.5
Frequently asked questions
What is the difference between Sora 2 and Runway Gen-4.5?
Sora 2 (OpenAI): Very strong at telling a short scene: it follows staging and dialogue directions closely. Runway Gen-4.5 (Runway): The most commercial-looking output in the ranking: skin, products and studio lighting.
Sora 2 or Runway Gen-4.5: which one is better?
Sora 2 has the higher overall score (9.0/10 vs 8.9/10). It is also cheaper: $1.25 per 10-second video, vs $1.50.
Which is cheaper, Sora 2 or Runway Gen-4.5?
Sora 2, at $1.25 per 10-second video through the API ($1.00 per 8 s), vs $1.50 for Runway Gen-4.5.