zen3-image-fast

Real-Time Image Generation

The fastest image model in the Zen family, optimized for real-time generation with sub-second latency. Built for applications where speed is the primary constraint, such as interactive design tools, live previews, and streaming generation.

Specifications

Capabilities

• Sub-second image generation latency
• Real-time interactive design workflows
• Live preview generation during prompt editing
• High-throughput batch image creation
• Cost-optimized for large-scale generation

API Usage

curl https://api.hanzo.ai/v1/images/generations \
  -H "Authorization: Bearer $HANZO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "zen3-image-fast",
    "prompt": "A peaceful forest trail in autumn",
    "n": 1,
    "size": "1024x1024"
  }'

from hanzoai import Hanzo

client = Hanzo(api_key="hk-your-api-key")

response = client.images.generate(
    model="zen3-image-fast",
    prompt="A peaceful forest trail in autumn",
    n=1,
    size="1024x1024",
)

print(response.data[0].url)

Try It

Open in Hanzo Chat

Resources

• Images API -- Endpoint documentation
• Technical Report

See Also

• zen3-image -- Best general-purpose image generation
• zen3-image-ssd -- Fastest diffusion model
• Pricing -- Full pricing table