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text-to-image

text-to-image

Z-AI GLM Image

z-ai/glm-image/text-to-image

Z-AI GLM Image generates high-quality images from text prompts, with enhanced understanding of user descriptions, resulting in images that are more precise and personal. Ready-to-use REST inference API, best performance, no cold starts, affordable pricing.

Input
width
height
If set to true, the function will wait for the result to be generated and uploaded before returning the response. This property is only available through the API.
If enabled, the output will be encoded into a BASE64 string instead of a URL. This property is only available through the API.

Idle

Modern premium book cover design, surreal minimalism. A vast midnight ocean under a thin crescent moon; a single origami lighthouse floating upright, emitting a soft golden beam that forms a subtle geometric triangle across the water. Deep navy + charcoal palette with one accent of warm gold, gentle fog, cinematic soft lighting, fine paper-grain texture, high contrast, lots of negative space, perfectly balanced centered composition.

您的请求将花费 $0.12 每次运行。

使用 $10 您可以运行此模型大约 83 次。

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示例查看全部

Modern premium book cover design, surreal minimalism. A vast midnight ocean under a thin crescent moon; a single origami lighthouse floating upright, emitting a soft golden beam that forms a subtle geometric triangle across the water. Deep navy + charcoal palette with one accent of warm gold, gentle fog, cinematic soft lighting, fine paper-grain texture, high contrast, lots of negative space, perfectly balanced centered composition.
Futuristic eye close-up, glowing reflections in the iris, subtle cyberpunk elements, dark background, ultra-detailed, realistic sci-fi aesthetic, cinematic lighting
Cozy outdoor lifestyle scene with a person holding a small dog, warm and intimate interaction between the person and the pet, natural and relaxed facial expression, soft natural sunlight, park or grassy outdoor background with greenery, warm and gentle color tones, candid and unposed moment, clean composition, shallow depth of field, Fujifilm film look, soft contrast, natural skin tones, lifestyle photography style, realistic lighting, film-like texture, heartwarming atmosphere1,Fujifilm color science, film photography, subtle film grain, soft highlights, muted colors, low contrast, natural greens, pastel tones

README

Z.AI GLM-Image Text-to-Image

GLM-Image is Z.AI's powerful text-to-image generation model built on the GLM architecture. It transforms natural language prompts into high-quality images with strong prompt adherence, flexible sizing, and fast generation speed.

Why Choose This?

  • Strong prompt understanding Accurately interprets detailed prompts to generate images that match your description with high fidelity.

  • Flexible sizing Custom width and height controls allow you to create images for any use case — social media, print, web, or mobile.

  • Prompt Enhancer Built-in tool to automatically improve your prompts for better generation results.

  • Multiple output formats Export as JPEG for smaller file sizes or PNG for lossless quality.

  • Fast generation Optimized for quick turnaround, ideal for rapid ideation and creative iteration.

Parameters

ParameterRequiredDescription
promptYesText description of the image you want to generate
widthNoOutput width in pixels (default: 1024)
heightNoOutput height in pixels (default: 1024)
seedNoRandom seed for reproducibility (-1 for random)
output_formatNoOutput format: jpeg (default) or png
enable_prompt_expansionNoEnhance prompt using LLM for better results

Output Format Options

  • jpeg — Smaller file size, good for photos and web use (default)
  • png — Lossless quality, supports transparency, best for graphics

Prompt Expansion

When enabled, the model uses an LLM to automatically expand and enhance your prompt for better generation results. This is useful when you have a short or simple prompt and want the model to add more detail.

How to Use

  1. Write your prompt — describe the image including subject, style, lighting, and mood.
  2. Set size — adjust width and height for your desired dimensions.
  3. Set seed — use -1 for random results, or specify a number for reproducibility.
  4. Choose output format — jpeg for smaller files, png for lossless quality.
  5. Enable prompt expansion (optional) — check this to let LLM enhance your prompt automatically.
  6. Run — click Run, preview the result, and iterate if needed.

Pricing

ItemCost
Per image$0.12

Simple flat-rate pricing regardless of image size or output format.

Best Use Cases

  • Social Media Content — Create engaging visuals for posts, stories, and ads.
  • Marketing Materials — Generate promotional images and banner graphics.
  • Concept Art — Quickly visualize ideas for creative projects.
  • Product Visualization — Create mockups and product imagery.
  • Presentations — Generate visuals to enhance slides and documents.

Pro Tips

  • Be specific in your prompts — include subject, style, lighting, colors, and atmosphere.
  • Use the same seed with the same prompt to reproduce identical outputs.
  • Start with 1024x1024 for balanced quality, adjust dimensions for specific needs.
  • Use JPEG for photos and web content, PNG for graphics with text or transparency needs.
  • Enable prompt expansion for short prompts; disable it if you want precise control over the output.

Notes

  • Please ensure your prompts comply with content guidelines.
  • If an error occurs, review your prompt and try again.

Related Models

  • Z.AI CogView-4 — Z.AI's high-quality text-to-image model with flexible quality modes.
  • Qwen Image 2512 — Alibaba's model with exceptional text rendering capabilities.
  • FLUX.2 Pro — Flagship-quality generation with cinematic detail.