SClosed
Runway Gen-4.5
Runway
The creative director's tool. Industry benchmark for character consistency.
SClosed
Wan 2.6
Alibaba (Tongyi Lab)
Closed-source evolution of Wan. Adds reference-to-video for character consistency, multi-shot narratives, 5 aspect ratios, and 15s duration. Native audio with synced dialogue carried over from 2.5.
Pick Runway Gen-4.5 if…
You want brand campaigns, character-consistent series, or agency production.
Pick Wan 2.6 if…
You want cross-platform content (all aspect ratios), character-consistent narratives (ref-to-video), or audio-synced social content.
Specifications
Maker
Runway
Alibaba (Tongyi Lab)
Source Type
Closed Source
Closed Source
License
Commercial (subscription)
Alibaba Commercial
Architecture
Proprietary DiT
DiT + MoE (evolved)
Parameters
Undisclosed
Undisclosed
Max Resolution
1080p (upscaled 4K)
720p / 1080p
Max Duration
10s clips
Up to 15s
FPS
24-30
24
Native Audio
Yes
Yes
ComfyUI Support
No
Yes
Fine-tunable
No
No
Min VRAM
Cloud only
Cloud / API
Cost / Second
~$0.15 (credits)
$0.05
Inputs
T2V, I2V, References
T2V, I2V, Reference-to-Video (1-3 refs via @Video1/@Video2/@Video3)
On Floyo
No
Yes
Strengths & Trade-offs
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
Wan 2.6
Strengths
- +Fastest inference
- +native audio with synced dialogue
- +reference-to-video for character consistency (1-3 video refs)
- +multi-shot with structured prompt syntax [0-3s]/[3-5s]
- +expanded aspect ratios (16:9, 9:16, 1:1, 4:3, 3:4)
Trade-offs
- -Closed source (not self-hostable)
- -reference-to-video limited to 5/10s (no 15s)
- -800 char prompt limit
- -multi-shot timing depends on prompt expansion quality
- -check regional license terms
Best For
- →Cross-platform content (all aspect ratios)
- →character-consistent narratives (ref-to-video)
- →audio-synced social content
- →multilingual production