Hailuo 2.3 Fast I2V
[Core Function] Hailuo 2.3 Fast I2V is a high-speed, cost-effective image-to-video generation model. [Strengths] It excels at generating videos from images much faster and at roughly 50% lower cost than the standard 2.3 model, while still maintaining the 2.3 architecture’s strength in human motion. [Best For] Highly recommended for: rapid prototyping, batch social media creation, and cost-sensitive video generation pipelines. [Limitations] Do NOT use this model for text-to-video (it only accepts image inputs). Do NOT use when absolute maximum visual fidelity is the primary requirement. [Routing] Choose this model when the user emphasizes ‘fast’, ‘quick’, or ‘cost-effective’ image-to-video generation. For maximum quality, use the standard Hailuo 2.3 I2V.
Authorizations
API Key authentication. Format: Bearer YOUR_API_KEY.
Body
First frame image URL or Base64 Data URL
1"https://example.com/image.jpg"
Video content description, supports camera control instructions
1 - 2000"Quick animation test"
Enable automatic prompt optimization
true
Fast pretreatment mode (only effective when prompt_optimizer=true)
false
Video duration in seconds
6, 10 6
Video resolution
768P, 1080P "768P"