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Long exposure seascape

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 seascape
    Long exposure seascapePrompt: a lighthouse on a rocky headland at dawn, long exposure, cold blue light, wet rock in the foreground
  • Cozy interior
    Cozy interiorPrompt: a cozy log cabin interior with a crackling fireplace, snow falling outside the window, warm lamp light, photo
  • Character portrait
    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 byOpen weights, hosted on Mage's GPUs
OutputImages
Aspect ratios21:9, 16:9, 3:2, 5:4, 1:1, 4:5, 2:3, 9:16, 9:21
Image inputsOne reference image
Video inputNo
Mentions by @handleNo
Where to use itThe 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.

ModelSettingGemsPerUSDBasicProPro PlusMax
Stable Diffusion v1.5—10image$0.01UnlimitedUnlimitedUnlimitedUnlimited

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?
Stable Diffusion v1.5 costs from 10 Gems (about $0.01) per image. Gems come with every paid plan and in Gem packs, you pay only for what you generate, and a generation that fails is refunded.
Can I use Stable Diffusion v1.5 unlimited?
Yes. Stable Diffusion v1.5 runs unlimited from the Basic plan ($10 a month). Higher resolutions can need a higher plan or Gems; the pricing table shows every setting.
Can I try Stable Diffusion v1.5 for free?
Yes. New Mage accounts get 300 free Gems, enough for 30 images with Stable Diffusion v1.5. No credit card is needed to start.
What can I give Stable Diffusion v1.5 as input?
A text prompt, plus image inputs: one reference image. It takes no saved Characters or references by @handle.
Can I use Stable Diffusion v1.5 through an API, or in Claude and ChatGPT?
Yes. The Mage API runs it as the stable_diffusion_v15 model, and the Mage MCP server lets Claude, ChatGPT, and other assistants generate with it after quoting the price.
Is what I make with Stable Diffusion v1.5 private?
Yes. Everything you generate on Mage is private by default: it appears in Explore or on your profile only if you post it.

Compare

More AI image models on Mage

  • From 10 Gems per image

    Stable Diffusion v3.5 Large

    The Stable Diffusion that follows detailed prompts most closely, at a budget price.

  • From 10 Gems per image

    Stable Diffusion XL

    Classic Stable Diffusion XL, tuned for photoreal output, at a budget price.

  • From 10 Gems per image

    Z-Image

    The fastest image model on Mage: photoreal drafts with solid anatomy and clean lettering.

  • From 20 Gems per image

    Anima

    An anime and illustration model with clean linework, flat color, and tag-based prompting.

  • From 35 Gems per image

    Chroma

    An open-weights, general-purpose image model built on the Flux architecture.

  • From 40 Gems per image

    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