HappyHorse-1.0 is the better choice
HappyHorse-1.0 scores higher than Gen-4.5 in every quality category shown. Its biggest lead is in text rendering, and it also is the only model here with audio output.

Alibaba (Wan)
HappyHorse-1.0
- Rank
- #3
- Price per minute
- $8.40/min

Runway
Gen-4.5
- Rank
- #18
- Price per minute
- $7.20/min
Best for
Highest overall score
HappyHorse-1.0
HappyHorse-1.0 leads the overall score by 22.0 points.
The overall score does not measure file reliability.
Best for
More readable text
HappyHorse-1.0
HappyHorse-1.0 leads by 35.0 points.
Long or moving text still needs manual review.
Best for
Lower generation cost
Gen-4.5
Gen-4.5 runs $7.20/min, against $8.40/min for HappyHorse-1.0.
Provider prices can change.
Best for
Built-in audio
HappyHorse-1.0
HappyHorse-1.0 generates audio with the video; Gen-4.5 does not.
This comparison does not score audio quality.
Reviewer scores
Scores by category
HappyHorse-1.0 wins all 13 categories head-to-head. Each bar is the reviewer score out of 100.
Head-to-head scores
13 categories rated head-to-head









