SClosed
Runway Gen-4.5
Runway
The creative director's tool. Industry benchmark for character consistency.
Pick Sora 2 if…
You want physics-heavy scenes, product demos, or multi-shot storytelling.
Pick Runway Gen-4.5 if…
You want brand campaigns, character-consistent series, or agency production.
Pick Seedance 2.0 if…
You want music videos, reference-driven production, or brand campaigns.
Specifications
Maker
OpenAI
Runway
ByteDance
Source Type
Closed Source
Closed Source
Closed Source
License
Commercial (subscription)
Commercial (subscription)
Commercial (paid tiers)
Architecture
DiT
Proprietary DiT
Unified AV Joint Gen
Parameters
Undisclosed
Undisclosed
Undisclosed
Max Resolution
1080p
1080p (upscaled 4K)
1080p
Max Duration
15-25s
10s clips
10-15s
FPS
24-30
24-30
24
Native Audio
No
Yes
Yes
ComfyUI Support
No
No
No
Fine-tunable
No
No
No
Min VRAM
Cloud only
Cloud only
Cloud only
Cost / Second
$0.15
~$0.15 (credits)
$0.14
Inputs
T2V, I2V, Extensions
T2V, I2V, References
T2V, I2V, Multi-modal (12 files)
On Floyo
Yes
No
No
Strengths & Trade-offs
Sora 2
Strengths
- +Best physics accuracy
- +multi-shot Extensions
- +strong prompt adherence
- +good hands
Trade-offs
- -No native audio
- -finger artifacts
- -limited availability
- -watermark default
Best For
- →Physics-heavy scenes
- →product demos
- →multi-shot storytelling
Runway Gen-4.5
Strengths
- +Best character consistency (References)
- +Motion Brush
- +30-90s gen
- +30+ tools
- +Act-Two mocap
Trade-offs
- -10s clip limit
- -opaque credits
- -T2V inconsistent without guidance
Best For
- →Brand campaigns
- →character-consistent series
- →agency production
Seedance 2.0
Strengths
- +12-file multimodal input
- +camera replication
- +@ mention system
- +8+ language lip-sync
Trade-offs
- -No photorealistic face uploads
- -newer platform
- -limited integrations
Best For
- →Music videos
- →reference-driven production
- →brand campaigns