Alibaba's HappyHorse 1.1 AI Video Model: Full Breakdown of Upgrades, Pricing, and Availability

Key Upgrades from HappyHorse 1.0

Alibaba says 1.1 delivers systematic improvements across five dimensions :

• Dynamic Expression — Rebuilt motion modeling and temporal coherence to fix the sluggish movement seen in 1.0; produces more连贯, forceful action .
• Subject Consistency — Supports up to 9 reference images simultaneously to preserve characters, products, brand elements, and scenes across shots (critical for multi-character short dramas, livestream e-commerce, and ads) .
• Instruction Following — Improved handling of both short prompts and complex narrative inputs, enabling long-context instruction following for multi-element scenes .
• Visual Quality — Upgraded skin textures for more natural-looking humans, better overall image fidelity .
• Native Audio — Audio capabilities are now integrated directly into the generation pipeline .

Supported Generation Modes

HappyHorse 1.1 supports the same four modes as 1.0, all available via a unified API :

Resolution & Clip Length

• Duration: 3 to 15 seconds per generation
• Resolutions: 720p and 1080p, with flexible (free) aspect ratios

Standard Pricing

Pricing is per second of output (not per compute second) and unchanged from HappyHorse 1.0 :

Some third-party resellers list 1080p at $0.28/sec , but the official Alibaba Cloud list price for 1.1 appears to be $0.14/sec for 720p and roughly $0.18/sec for 1080p, consistent with 1.0 pricing .

40% Launch Discount

Alibaba Cloud Model Studio is offering a promotional 40% discount for the initial two weeks, bringing pricing down to approximately $0.084/sec for 720p and $0.108/sec for 1080p . Alibaba Cloud's own campaign page lists 720p at $0.084/sec (discounted from $0.14) and 1080p at $0.108/sec .

Caveats

• Most performance claims (generation speed, leaderboard rankings) are Alibaba's own self-reported numbers and have not been independently verified by third-party benchmarks .
• The exact $0.18/sec figure for 1080p standard pricing is inferred from Chinese pricing reports (1.17 RMB ≈ $0.18 USD); some third-party platforms charge differently .