
Open-weights image model
Stable Diffusion v1.5 AI image generator
The classic Stable Diffusion 1.5, on a budget and ready for older workflows.
No installation. No credit card. Private by default.
At a glance
Stable Diffusion v1.5 is an open-weights image model that Mage hosts on its own GPUs. On Mage it makes images from a prompt or one reference image. It costs from 10 Gems (about $0.01) per image and runs unlimited from the Basic plan, and new accounts get 300 free Gems to start.
- 10Gems per image, from
- $0.01About, in US dollars
- BasicUnlimited from
- 1Reference images, up to
Overview
What is Stable Diffusion v1.5?
Stable Diffusion 1.5 is the classic open-weights image model, hosted on Mage's GPUs with nothing to install.
It is the budget choice and the way to match older work, with a negative prompt and one optional input image.
Samples
Made with Stable Diffusion v1.5
Generated on Mage with Stable Diffusion v1.5. A prompt under a sample is the exact prompt that made it.

Long exposure seascapePrompt: a lighthouse on a rocky headland at dawn, long exposure, cold blue light, wet rock in the foreground

Cozy interiorPrompt: a cozy log cabin interior with a crackling fireplace, snow falling outside the window, warm lamp light, photo

Character portraitPrompt: portrait of an old fisherman with a weathered face and a knit cap, harbor in the background, natural light, photo
Strengths
What Stable Diffusion v1.5 does best
Best at
- Matching work made on Stable Diffusion 1.5 before
- The lowest-cost images on Mage
- Simple photographic scenes
- Image-to-image from one input image
Trade-offs
- Lower resolution and less prompt-faithful than newer models
- No Characters or references
Prompt guide
How to prompt Stable Diffusion v1.5
Tips that work on this model. The prompts under the samples above are good places to start.
Tips
- Keep prompts short and literal: one subject, one setting, one light.
- End with "photo" or a medium for a clear style.
- Use the negative prompt for blur, text, and deformities.
- Move up to Stable Diffusion XL or Z-Image when you need more detail.
Specs
Stable Diffusion v1.5 specs and inputs
| Made by | Open weights, hosted on Mage's GPUs |
|---|---|
| Output | Images |
| Aspect ratios | 21:9, 16:9, 3:2, 5:4, 1:1, 4:5, 2:3, 9:16, 9:21 |
| Image inputs | One reference image |
| Video input | No |
| Mentions by @handle | No |
| Where to use it | The Mage app, the Mage assistant, Claude and ChatGPT through the Mage MCP server, and the Mage API |
Pricing
Stable Diffusion v1.5 price and plans
Every price comes from the same pricing that bills your generations.
| Model | Setting | Gems | Per | USD | Basic | Pro | Pro Plus | Max |
|---|---|---|---|---|---|---|---|---|
| Stable Diffusion v1.5 | — | 10 | image | $0.01 | Unlimited | Unlimited | Unlimited | Unlimited |
Prices in Gems, and in US dollars at the list price of the 10,000 Gems pack ($10). Each plan column shows what that plan runs unlimited; anything else costs Gems. Other settings, such as quality levels and extra input images, can change the price.
FAQ
Stable Diffusion v1.5 questions
How much does Stable Diffusion v1.5 cost?
Can I use Stable Diffusion v1.5 unlimited?
Can I try Stable Diffusion v1.5 for free?
What can I give Stable Diffusion v1.5 as input?
Can I use Stable Diffusion v1.5 through an API, or in Claude and ChatGPT?
Is what I make with Stable Diffusion v1.5 private?
Compare
More AI image models on Mage
Stable Diffusion v3.5 Large
The Stable Diffusion that follows detailed prompts most closely, at a budget price.
Stable Diffusion XL
Classic Stable Diffusion XL, tuned for photoreal output, at a budget price.
Z-Image
The fastest image model on Mage: photoreal drafts with solid anatomy and clean lettering.
Anima
An anime and illustration model with clean linework, flat color, and tag-based prompting.
Chroma
An open-weights, general-purpose image model built on the Flux architecture.
Flux 2
The open-weights image model for long, detailed prompts and edits from several input images.

Make your first image with Stable Diffusion v1.5
New accounts get 300 free Gems, enough to try Stable Diffusion v1.5. No install, no credit card.
Start creating for free